Home / Standards / GB/T 44525-2024 GB/T 44525-2024 Active Non-destructive testing—Ultrasonic testing—Specification for resin matrix composite reference block 无损检测 超声检测 树脂基复合材料制件对比试块规范 Standard Type GBT ICS 19.100 CCS J04 Status 现行 Issue Date 2024-09-29 Implementation 2024-09-29 Responsible Dept 国家标准委 Drafting Unit N/A