Home / Standards / GB/T 31211.1-2024 GB/T 31211.1-2024 Active Non-destructive testing—Ultrasonic guided-wave testing—Part 1: General principle 无损检测 超声导波检测 第1部分:总则 Standard Type GBT ICS 19.100 CCS J04 Status 现行 Issue Date 2024-04-25 Implementation 2024-04-25 Responsible Dept 国家标准委 Drafting Unit N/A