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| International Standard Category: Bolts, screws, studs |
QJ 2246A-1998 Parameter Series of Explosive Bolt
爆炸螺栓参数系列 ;
| Category No.: | 49.030.20 | Valid Status: | valid |
| Issued Organization: | Issued Date: | 1998-02-06 | |
| Implemented Date: | 1998-8-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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