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Standard Insuued on: 1988-03 |
Category No.: | GB | Valid Status: | superseded |
Issued Organization: | China Light Industry Council | Issued Date: | 1988-03-29 |
Implemented Date: | 1988-8-1 | Abolished Date: | |
Superseded Standard.: | QB/T 2804-2006 Paper and board--Measurement of brightness (45/0) |
Superseded Date: | 2006-10-11 |
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