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International Standard Category: Copper and copper alloys

GB/T 20301-2006    Oxygen-free copper tube for magnetic induction tube
磁控管用无氧铜管;
Category No.:77.120.30 Valid Status:superseded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Superseded Standard.:GB/T9045-2006 Photography―Photographic materials―Determination of ISO resolving power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Superseded Date:2016-4-1
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