Home / Standards / JB/T 88-1994 JB/T 88-1994 Abolished 管路法兰用金属齿形垫片 Standard Type JB ICS N/A CCS N/A Status Abolished Issue Date 1994-12-09 Implementation 1995-10-01 Centralized Committee 机械工业部 Issuing Authority 机械工业部