Home / Standards / GB/T 38952-2020 GB/T 38952-2020 Abolished Non-destructive testing — Ultrasonic bulk wave method for residual stress measurement 无损检测 残余应力超声体波检测方法 Standard Type GBT ICS 19.1 CCS J04 Status 废止 Issue Date 2024-12-31 Implementation 2021-01-01 Responsible Dept N/A Drafting Unit N/A