Home / Standards / GB/T 3310-2010 GB/T 3310-2010 Abolished Ultrasonic testing method of copper and copper alloy bars 铜及铜合金棒材超声波探伤方法 Standard Type GBT ICS 77.040.99 CCS H26 Status 废止 Issue Date 2011-01-10 Implementation 2011-10-01 Responsible Dept 中国有色金属工业协会 Drafting Unit 中国有色金属工业协会