Home / Standards / HG/T 2702-1995 HG/T 2702-1995 Abolished 油气田用扩张(KZ)式封隔器胶筒 Standard Type HG ICS N/A CCS N/A Status Abolished Issue Date 1995-05-05 Implementation 1996-01-01 Centralized Committee 化学工业部 Issuing Authority 化学工业部