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| International Standard Category: Auxiliary materials and additives for plastics |
GB/T 9578-2011 Industry reference carbon black 4#
工业参比炭黑4#;
| Category No.: | 83.040.30 | Valid Status: | superseded |
| Issued Organization: | AQSIQ;SAC | Issued Date: | 2011-12-5 |
| Implemented Date: | 2012-5-1 | Abolished Date: | |
| Superseded Standard.: | GB/T 9578-2021 Industry reference carbon black 4# |
Superseded Date: | 2022-5-1 |
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