Home / Standards / GB/T 30920-2014 GB/T 30920-2014 Active Chlorosulfonted polyethylene(CSM) rubber 氯磺化聚乙烯(CSM)橡胶 Standard Type GBT ICS 83.060 CCS G34 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