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International Standard Category: Other non-ferrous metals and their alloys |
Category No.: | 77.120.99 | Valid Status: | superseded |
Issued Organization: | AQSIQ, SAC | Issued Date: | 2009-4-8 |
Implemented Date: | 2010-2-1 | Abolished Date: | |
Superseded Standard.: | GB/T 23524-2019 |
Superseded Date: | 2020-5-1 |
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