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| International Standard Category: Textile glass materials |
GB/T 7690.4-2001 Reinforcements - Test method for yarns - Part 4: Determination of stiffness
增强材料 纱线试验方法 第4部分：硬挺度的测定;
| Category No.: | 59.100.10 | Valid Status: | superseded |
| Issued Organization: | AQSIQ | Issued Date: | 2001-5-11 |
| Implemented Date: | 2001-12-1 | Abolished Date: | |
| Superseded Standard.: | GB/T 7690.4-2013 Reinforcements—Test method for yarns—Part 4:Determination of stiffness |
Superseded Date: | 2014-6-1 |
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