联系人:许海丹 | 电话:0577-86779918 13758480185 | 传真:0577-86779938 |
地址:温州市龙湾区雁荡西路20号 | 邮编:325000 |
 | UDC 621.882.6 | GB 10-88 代替 GB10-76 | 沉头方颈螺栓 | Flat countersunk square neck bolts |
|  | UDC 621.882.6 | GB 11-88 代替 GB11-76 | 沉头带榫螺栓 | Flat countersunk nib bolts |
|  | UDC 621.882.6 | GB 12-88 代替 GB12-76 | 半圆头方颈螺栓 | Cup head square neck bolts |
|  | UDC 621.882.6 | GB 13-88 代替 GB13-76 | 半圆头带榫螺栓 | Cup head nid bolts |
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