Home / Standards / GB/T 4649-2018 GB/T 4649-2018 Active Ethylene glycol for industrial use 工业用乙二醇 Standard Type GBT ICS 71.080.60 CCS G16 Status 现行 Issue Date 2018-05-14 Implementation 2018-12-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A