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Standard Insuued on: 1997-12 |
Category No.: | MT | Valid Status: | superseded |
Issued Organization: | Ministry of Coal Industry | Issued Date: | 1997-12-30 |
Implemented Date: | 1998-6-1 | Abolished Date: | |
Superseded Standard.: | KA/T 7-2023 Methods for hydrochemistry analysis of coal mine water |
Superseded Date: | 2024-1-31 |
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