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| International Standard Category: Tunnelling and tubing equipment |
GB/T 5621-2008 Test methods of performance for rock drilling machines and pneumatic tools
凿岩机械与气动工具 性能试验方法 ;
| Category No.: | 73.100.10 | Valid Status: | valid |
| Issued Organization: | AQSIQ; SAC | Issued Date: | 2008-7-9 |
| Implemented Date: | 2009-2-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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