| 21 |
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DIN 6915 - 1999
钢结构栓连接用高强度大六角螺母
High-Strength Hexagon Nuts with Large Widths Across Flats for Structural Steel Bolting
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供应商(5)家
|
| 22 |
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DIN 6915 - 1989
钢结构栓连接用高强度大六角螺母
High-strength Hexagon Nuts with Large Widths Across Flats for Structural Steel Bolting
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供应商(5)家
|
|