Home / Standards / GB/T 12604.7-2021 GB/T 12604.7-2021 Active Non-destructive testing—Terminology—Leak testing 无损检测 术语 泄漏检测 Standard Type GBT ICS 19.100 CCS J04 Status 现行 Issue Date 2021-05-21 Implementation 2021-12-01 Responsible Dept 国家标准委 Drafting Unit N/A