Home / Standards / GB/T 7716-2014 GB/T 7716-2014 Abolished Propylene for Polymerization―Specification 聚合级丙烯 Standard Type GBT ICS 71.080.10 CCS G16 Status 废止 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