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International Standard Category: Copper and copper alloys |
Category No.: | 77.120.30 | Valid Status: | superseded |
Issued Organization: | AQSIQ,SAC | Issued Date: | 2006-7-18 |
Implemented Date: | 2006-11-1 | Abolished Date: | |
Superseded Standard.: | GB/T9045-2006 Photography―Photographic materials―Determination of ISO resolving power GB/T 20301-2015 Oxyger-free copper tube for magnetic induction tube |
Superseded Date: | 2016-4-1 |
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