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| International Standard Category: Mining and minerals |
GB 50399-2006 Code for design of small capacity mine of coal industry
煤炭工业小型矿井设计规范;
| Category No.: | 73 | Valid Status: | abolished |
| Issued Organization: | AQSIQ; MOC | Issued Date: | 2006-11-29 |
| Implemented Date: | 2007-5-1 | Abolished Date: | 2017-08-01 |
| Superseded Standard.: | Superseded Date: |
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