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技术词典：
标准技术资料-英文版
DIN标准资料-德文版
常用标准知识
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英制
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公制
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英制
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公制
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英制
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公制
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英制
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公制
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分数
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小数
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mm
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分数
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小数
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mm
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分数
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小数
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mm
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分数
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小数
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mm
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0.0004
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0.01
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0.3
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7.620
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0.7874
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20.000
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1.969
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50
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0.001
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0.025
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5/16
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0.3125
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7.938
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51/64
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0.7969
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20.241
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2
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2.000
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50.8
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0.0039
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0.10
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0.315
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8.0
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13/16
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0.8125
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20.638
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2
1/8
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2.125
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54.0
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0.005
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0.127
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21/64
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0.3281
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8.334
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0.8268
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21.00
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2.165
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55.0
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0.0079
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0.20
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0.3346
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8.50
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53/64
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0.8281
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21.034
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2
1/4
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2.250
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57.2
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0.0098
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0.25
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11/32
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0.3438
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8.733
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27/32
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0.8438
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21.433
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2.362
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60.0
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0.01
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0.254
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0.3543
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9.0
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55/64
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0.8594
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21.829
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2
3/8
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2.375
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60.3
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0.0118
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0.30
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23/64
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0.3594
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9.129
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0.866
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22.00
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2
1/2
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2.500
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63.5
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1/64
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0.0156
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0.396
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0.374
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9.50
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7/8
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0.875
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22.225
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2.559
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65.0
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0.0157
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0.40
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3/8
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0.375
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9.525
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57/64
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0.8906
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22.621
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2
5/8
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2.625
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66.7
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0.0197
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0.50
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25/64
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0.3906
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9.921
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0.922
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23.419
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2
3/4
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2.750
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69.9
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0.0236
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0.60
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0.3937
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10.00
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0.9055
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23.00
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2.756
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70.0
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0.025
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0.635
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0.4
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10.160
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29/32
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0.9063
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23.020
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2
7/8
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2.875
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73.0
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0.0276
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0.70
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13/32
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0.4062
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10.317
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59/64
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0.9219
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23.416
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2.953
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75.0
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0.0295
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0.75
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0.4134
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10.50
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1
5/16
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0.9375
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23.813
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3
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3.000
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76.2
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1/32
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0.0313
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0.795
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27/64
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0.4219
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10.716
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0.9449
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24.00
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3.150
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80.0
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0.0315
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0.80
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0.4331
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11.00
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61/64
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0.9531
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24.209
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3
1/4
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3.250
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82.6
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0.0354
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0.90
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7/16
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0.4375
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11.113
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31/32
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0.9688
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24.608
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3.346
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85.0
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0.0394
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1.00
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29/64
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0.4531
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11.509
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0.9813
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25
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3
1/2
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3.500
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88.9
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3/64
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0.0469
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1.191
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15/32
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0.4688
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11.908
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|
1
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1.000
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25.40
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3.543
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90.0
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0.0472
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1.20
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0.4727
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12.0
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1.024
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26.010
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|
3.740
|
95.0
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|
0.051
|
1.295
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31/64
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0.4844
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12.304
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1
1/16
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1.062
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26.975
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3
3/4
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3.750
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95.3
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0.0551
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1.40
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0.4921
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12.50
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1.063
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27.000
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3.937
|
100.0
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0.0591
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1.50
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1/2
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0.5
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12.700
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|
|
1.102
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27.991
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4
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4.000
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101.6
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1/16
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0.0625
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1.588
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0.5118
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13.00
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1
1/8
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1.125
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28.575
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4.331
|
110.0
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0.0669
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1.70
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33/64
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0.5156
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13.096
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|
1.142
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29.007
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4
1/2
|
4.500
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114.3
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|
|
0.075
|
1.905
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|
17/32
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0.5306
|
13.477
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|
|
1.181
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29.997
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|
4.724
|
120.0
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5/64
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0.0781
|
1.984
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|
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0.5315
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13.50
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1
3/16
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1.187
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30.150
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5
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5.000
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127.0
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|
0.0787
|
2.00
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35/64
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0.5469
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13.891
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|
|
1.221
|
31.013
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|
|
5.118
|
130.0
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|
|
0.0906
|
2.301
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|
|
0.5512
|
14.00
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|
1
1/4
|
1.25
|
31.750
|
|
5
1/2
|
5.500
|
139.7
|
|
3/32
|
0.0938
|
2.383
|
|
9/16
|
0.5625
|
14.288
|
|
|
1.26
|
32.004
|
|
|
5.512
|
140.0
|
|
|
0.0984
|
2.50
|
|
|
0.571
|
14.50
|
|
|
1.299
|
32.995
|
|
|
5.906
|
150.0
|
|
|
0.1
|
2.540
|
|
37/64
|
0.5781
|
14.684
|
|
1
5/16
|
1.312
|
33.325
|
|
6
|
6.000
|
152.4
|
|
|
0.1024
|
2.60
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