Home / Standards / GB/T 19799.2-2005 GB/T 19799.2-2005 Abolished Non-destructive testing-Ultrasonic testing-Calibration block No.2 无损检测 超声检测 2 号校准试块 Standard Type GBT ICS 19.100 CCS J04 Status 废止 Issue Date 2005-06-08 Implementation 2005-12-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委