Home / Standards / JB/T 7602-1994 JB/T 7602-1994 Active 卧式内燃锅炉T形接头超声波探伤 Standard Type JB ICS N/A CCS N/A Status Active Issue Date 1994-12-09 Implementation 1995-06-01 Centralized Committee 机械工业部 Issuing Authority 机械工业部