Home / Standards / GB/T 27664.3-2012 GB/T 27664.3-2012 Active Non-destructive testing - Characterization and verification of ultrasonic test equipment - Part 3: Combined equipment 无损检测 超声检测设备的性能与检验 第3部分：组合设备 Standard Type GBT ICS 19.100 CCS N77 Status 现行 Issue Date 2012-07-31 Implementation 2012-11-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会