Home / Standards / GB/T 40336-2021 GB/T 40336-2021 Active Non-destructive testing—Leak testing—Calibration of reference leaks for gases 无损检测 泄漏检测 气体参考漏孔的校准 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