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International Standard Category: Acid secondary cells and batteries |
Category No.: | 29.220.20 | Valid Status: | superseded |
Issued Organization: | AQSIQ;SAC | Issued Date: | 2012-6-29 |
Implemented Date: | 2012-11-1 | Abolished Date: | |
Superseded Standard.: | GB/T 28535-2018 Separators for lead-acid batteries |
Superseded Date: | 2019-7-1 |
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