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International Standard Category: Lead, zinc, tin and their alloys |
Category No.: | 77.120.60 | Valid Status: | superseded |
Issued Organization: | AQSIQ | Issued Date: | 2001-7-1 |
Implemented Date: | 2001-1-2 | Abolished Date: | |
Superseded Standard.: | GB/T 4372.2-2014 Methods for chemical analysis of zinc oxide produced by direct process―Part 2:Determination of lead oxide content―Flame atomic absorption spectrometry method |
Superseded Date: | 2015-8-1 |
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