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| International Standard Category: Chemical reagents |
GB/T 674-1978 Chemical reagents--Powdered copper oxide
化学试剂 氧化铜(粉状) ;
| Category No.: | 71.040.30 | Valid Status: | superseded |
| Issued Organization: | Issued Date: | 1978-05-26 | |
| Implemented Date: | 1979-1-1 | Abolished Date: | |
| Superseded Standard.: | GB/T 674-2003 Chemical reagent—Copper(Ⅱ)oxide powder |
Superseded Date: | 2004-5-1 |
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