Home / Standards / GB/T 7704-2017 GB/T 7704-2017 Active Non-destructive testing—Practice for residual stress measurement by X-ray 无损检测 X射线应力测定方法 Standard Type GBT ICS 19.100 CCS J04 Status 现行 Issue Date 2017-10-14 Implementation 2018-04-01 Responsible Dept 国家标准委 Drafting Unit N/A