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| International Standard Category: Mechanical testing of metals |
GB/T 239-1999 Metallic materials wire torsion test
金属线材扭转试验方法 ;
| Category No.: | 77.040.10 | Valid Status: | superseded |
| Issued Organization: | AQSIQ | Issued Date: | 1999-11-1 |
| Implemented Date: | 2000-8-1 | Abolished Date: | |
| Superseded Standard.: | GB/T 239.1-2012 Metallic materials - Wire - Part 1: Simple torsion test GB/T 239.2-2012 Metallic materials - Wire - Part 2: Reverse torsion test |
Superseded Date: | 2013-2-1 |
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