Home / Standards / GB/T 42399.1-2023 GB/T 42399.1-2023 Active Non-destructive testing instruments—Characterization and verification of ultrasonic phased array equipment—Part 1:Instruments 无损检测仪器 相控阵超声设备的性能与检验 第1部分:仪器 Standard Type GBT ICS 19.100 CCS N77 Status 现行 Issue Date 2023-03-17 Implementation 2023-10-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A