Home / Standards / GB/Z 45378-2025 GB/Z 45378-2025 Active Non-destructive testing—Methods for absolute calibration of acoustic emission transducers by the reciprocity technique 无损检测 基于互易性技术的声发射传感器绝对校准方法 Standard Type GBZ ICS 19.100 CCS J04 Status 现行 Issue Date 2025-03-28 Implementation N/A Responsible Dept 国家标准委 Drafting Unit N/A