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Standard Insuued on: 1998-12 |
Category No.: | GB | Valid Status: | superseded |
Issued Organization: | State Qualtiy Technical Supervision Bureau | Issued Date: | 1998-12-08 |
Implemented Date: | 1999-5-1 | Abolished Date: | |
Superseded Standard.: | GB/T 6949-2010 Determination of apparent relative density of coal |
Superseded Date: | 2011-6-1 |
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