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International Standard Category: Acids |
Category No.: | 71.060.30 | Valid Status: | superseded |
Issued Organization: | AQSIQ | Issued Date: | 1983-1-2 |
Implemented Date: | 2004-5-1 | Abolished Date: | |
Superseded Standard.: | GB/T 4104-2017 Determination of whiteness for zinc oxide produced by direct process |
Superseded Date: | 2018-5-1 |
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