Home / Standards / GB/T 1531-2009 GB/T 1531-2009 Abolished Capillary tube of copper and copper alloys 铜及铜合金毛细管 Standard Type GBT ICS 77.150.30 CCS H62 Status 废止 Issue Date 2009-04-15 Implementation 2010-02-01 Responsible Dept 中国有色金属工业协会 Drafting Unit 中国有色金属工业协会