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| International Standard Category: Mechanical testing of metals |
GB/T 242-1997 Metallic materials―Tube―Drift expanding test
金属管 扩口试验方法 ;
| Category No.: | 77.040.10 | Valid Status: | superseded |
| Issued Organization: | State Technical Supervision Bureau | Issued Date: | 1997-01-01 |
| Implemented Date: | 1998-5-1 | Abolished Date: | 2008-02-01 |
| Superseded Standard.: | GB/T 242-2007 Metal materials – Tube – Drift-expending test |
Superseded Date: | 2008-2-1 |
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