Home / Standards / GB/T 26303.1-2010 GB/T 26303.1-2010 Active Measuring method for dimensions and shapes of wrought copper and copper alloy - Part 1: Tube 铜及铜合金加工材外形尺寸检测方法 第1部分 管材 Standard Type GBT ICS 77.040.99 CCS H13 Status 现行 Issue Date 2011-01-14 Implementation 2011-11-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A