Home / Standards / GB/T 29302-2012 GB/T 29302-2012 Active Non-destructive testing instruments - Characterization and verification of phased array ultrasonic examination systems 无损检测仪器 相控阵超声检测系统的性能与检验 Standard Type GBT ICS 19.100 CCS N78 Status 现行 Issue Date 2012-12-31 Implementation 2013-06-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会