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International Standard Category: Copper and copper alloys |
Category No.: | 77.120.30 | Valid Status: | superseded |
Issued Organization: | Issued Date: | 1985-07-22 | |
Implemented Date: | 1986-7-1 | Abolished Date: | |
Superseded Standard.: | GB/T 5231-2001 Wrought Copper and Copper Alloys Chemical Composition Limits and Forms of Wrought Products |
Superseded Date: | 2001-12-1 |
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