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| International Standard Category: Auxiliary materials and additives for plastics |
GB/T 3780.4-2003 Carbon black—Part 4:Determination of dibutylphthalate absorption number and preparation of samples(compressed sample)
炭黑 第4部分：邻苯二甲酸二丁酯吸收值测定方法和试样制备（压缩试样） ;
| Category No.: | 83.040.30 | Valid Status: | superseded |
| Issued Organization: | AQSIQ | Issued Date: | 2003-10-11 |
| Implemented Date: | 2004-5-1 | Abolished Date: | |
| Superseded Standard.: | GB/T 3780.4-2008 Carbon black - Part 4：Determination of oil absorption number for compressed sample |
Superseded Date: | 2008-10-1 |
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