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| International Standard Category: Auxiliary materials and additives for plastics |
GB/T 9578-2002 STANDARD reference black 3#
标准参比炭黑3# ;
| Category No.: | 83.040.30 | Valid Status: | superseded |
| Issued Organization: | AQSIQ | Issued Date: | 2002-05-29 |
| Implemented Date: | 2002-12-1 | Abolished Date: | |
| Superseded Standard.: | GB/T 9578-2011 Industry reference carbon black 4# |
Superseded Date: | 2012-5-1 |
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