Home / Standards / GB 4649-1993 GB 4649-1993 Abolished Ethylene glycol for industrial use--Specification 工业用乙二醇 Standard Type GB ICS 71.080.60 CCS G16 Status 废止 Issue Date 1993-07-21 Implementation 1994-07-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A