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International Standard Category: Copper and copper alloys |
Category No.: | 77.120.30 | Valid Status: | superseded |
Issued Organization: | STSB | Issued Date: | 1996-01-01 |
Implemented Date: | 1997-4-1 | Abolished Date: | 2008-12-01 |
Superseded Standard.: | GB/T 5121.17-2008 Methods for chemical analysis of copper and copper alloys - Part 17: Determination of beryllium content |
Superseded Date: | 2008-12-1 |
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