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Professional Standard Category: National Standard |
Category No.: | GB | Valid Status: | superseded |
Issued Organization: | General Administration of Quality Supervision, Inspection and Quarantine of PRC | Issued Date: | 2002-10-18 |
Implemented Date: | Abolished Date: | ||
Superseded Standard.: | GB/T 1574-2007 Test method for analysis of coal ash |
Superseded Date: |
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