Home / Standards / GB/T 30309-2013 GB/T 30309-2013 Active Polysulfide silane coupling agent 多硫化物硅烷偶联剂 Standard Type GBT ICS 71.100.40 CCS G71 Status 现行 Issue Date 2013-12-31 Implementation 2014-09-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A