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| International Standard Category: Welding processes |
JB/T 4251-1999 Friction welding - General requirements
摩擦焊 通用技术条件;
| Category No.: | 25.160.10 | Valid Status: | abolished |
| Issued Organization: | 国家机械工业局 | Issued Date: | 1999-6-24 |
| Implemented Date: | 2000-1-1 | Abolished Date: | 2023-11-03 |
| Superseded Standard.: | Superseded Date: |
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