Home / Standards / HG/T 2902-1997 HG/T 2902-1997 Abolished 模塑用聚四氟乙烯树脂 Standard Type HG ICS N/A CCS N/A Status Abolished Issue Date 1997-05-23 Implementation 1997-10-01 Centralized Committee 化学工业部 Issuing Authority 化学工业部