Home / Standards / JB/T 7384.7-1994 JB/T 7384.7-1994 Active 紧固件开槽宽度塞规 Standard Type JB ICS N/A CCS N/A Status Active Issue Date 1994-07-26 Implementation 1995-07-01 Centralized Committee 机械工业部 Issuing Authority 机械工业部