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| International Standard Category: Environment and environmental protection in general |
DB21/T 2523-2015 Code for treatment of mining geological environment
矿山地质环境恢复治理规程 ;
| Category No.: | 13.020.01 | Valid Status: | valid |
| Issued Organization: | Liaoning Provnicial Quality and Technology Supervision Bureau | Issued Date: | 2015-09-10 |
| Implemented Date: | 2015-11-10 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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