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| International Standard Category: Mining and minerals |
GB 50415-2007 Code for design of inclind shafts and chambers of coal mine
煤矿斜井井筒及硐室设计规范;
| Category No.: | 73 | Valid Status: | superseded |
| Issued Organization: | AQSIQ; MOC | Issued Date: | 2007-5-21 |
| Implemented Date: | 2007-12-1 | Abolished Date: | 2017-11-01 |
| Superseded Standard.: | GB 50415-2017 Code for design of incline shafts and chambers of coal mine |
Superseded Date: | 2017-11-1 |
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