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| International Standard Category: Thermoplastic materials |
HG/T 3021-1999 Determination of acetic acid yidle Of unplasticized cellulose acetate
未增塑乙酸纤维素水解乙酸值的测定 ;
| Category No.: | 83.080.20 | Valid Status: | superseded |
| Issued Organization: | MIIT | Issued Date: | 1999-6-16 |
| Implemented Date: | 2000-6-1 | Abolished Date: | |
| Superseded Standard.: | GB 7133-1986 |
Superseded Date: | 1987-10-1 |
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