Home / Standards / GB/T 7715-2014 GB/T 7715-2014 Active Ethylene for industrial use―Specification 工业用乙烯 Standard Type GBT ICS 71.080.10 CCS G16 Status 现行 Issue Date 2014-07-08 Implementation 2014-12-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A