Home / Standards / GB/T 11618.1-2008 GB/T 11618.1-2008 Active Pipe fittings of copper and copper alloys - Part 1: Fittings of braze welding type 铜管接头 第1部分：钎焊式管件 Standard Type GBT ICS 47.020.30 CCS U55 Status 现行 Issue Date 2008-08-04 Implementation 2009-02-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委