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| International Standard Category: Welding processes |
QJ 3251-2005 Technical requirements for vacuum diffusion welding of copper and copper alloy with steel
铜及铜合金与钢真空扩散焊接技术要求;
| Category No.: | 25.160.10 | Valid Status: | valid |
| Issued Organization: | 0 | Issued Date: | 2005-12-12 |
| Implemented Date: | 2006-5-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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