Home / Standards / GB/T 45380-2025 GB/T 45380-2025 Active Non-destructive testing—Nonlinear ultrasonic testing method of microstructure damage 无损检测 组织结构损伤非线性超声检测方法 Standard Type GBT ICS 19.100 CCS J04 Status 现行 Issue Date 2025-03-28 Implementation 2025-03-28 Responsible Dept 国家标准委 Drafting Unit N/A