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Standard Insuued on: 1998-03 |
Category No.: | JB | Valid Status: | superseded |
Issued Organization: | Ministry of Machine Building | Issued Date: | 1998-03-19 |
Implemented Date: | 1998-7-1 | Abolished Date: | 2011-08-15 |
Superseded Standard.: | JB/T 8704-2012 Honeycomb style electric coal tar remover |
Superseded Date: | 2012-11-1 |
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