Home / Standards / GBT 29302-2012 GBT 29302-2012 Non-destructive testing instruments — Performance and inspection of phased array ultrasonic testing 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 N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A