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| Professional Standard Category: Professional Standard - Light Industry |
QB/T 3812.14-1999 Leather. Determination of sulphated total ash and sulphated water insoluble ash
皮革 硫酸盐总灰分和硫酸盐水不溶物灰分的测定;
| Category No.: | QB | Valid Status: | superseded |
| Issued Organization: | Issued Date: | 1999-4-21 | |
| Implemented Date: | 1999-4-21 | Abolished Date: | |
| Superseded Standard.: | QB/T 2719-2005 Leather - chemical test - Determination of sulphate total ash and sulphate water-insoluble ash |
Superseded Date: | 2005-9-1 |
QB/T 4982-2023
QB 794-1981
QB/T 2097.2-1995
QB 1792-1993（2007）
QB/T 2272-2019
QB/T 1335.2-1991
QB/T 5926-2023
QB/T 5915-2023
QB/T 4576-2023
QB 818-1981
QB 955-1985
QB/T 5630-2021
QBJ/CT 188-2013
QB/T 1474.4-2023
QB 1659-1992
QB/T 1029-1991
QB/T 5912-2023
QB 1781-1993（2007）
QB 979-1984
QB 275-1964
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