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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Category No.: | 77.120.99 | Valid Status: | superseded |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: | 2010-8-9 |
Implemented Date: | 2011-5-1 | Abolished Date: | |
Superseded Standard.: | GB/T 24982-2020 Garnet aluminate series of rare earth phosphors for white LED |
Superseded Date: | 2021-10-1 |
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