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DIN 7989
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钢结构用高强度垫圈
Washers for steel
constructions
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Stainless
A2
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Stainless
A4
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Stainless
A4-80
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DAC
320B
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DAC
500B
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Steel
C 15
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Steel
class 8.8
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Steel
class 12.9
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Blank
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White
Zinc
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Yellow
Zinc
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Brass
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Nylon
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螺纹M
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M
10
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M
12
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M
16
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M
20
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M
22
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M
24
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M
27
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M
30
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M
33
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M
36
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d1
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A
11
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A
14
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A
18
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A 22
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A
24
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A
26
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A
30
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A
33
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A
36
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A
39
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d2
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21
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24
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30
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37
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39
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44
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50
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56
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60
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66
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