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International Standard Category: Environment and environmental protection in general |
Category No.: | 13.020.01 | Valid Status: | superseded |
Issued Organization: | AQSIQ; SAC | Issued Date: | 2015-05-15 |
Implemented Date: | 2015-7-1 | Abolished Date: | |
Superseded Standard.: | GB/T 31392-2022 Technical guidance for the utilization of coal mine water |
Superseded Date: | 2023-4-1 |
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