Home / Standards / GB/T 21462-2008 GB/T 21462-2008 Active Evaluation procedure of Chloroprene Rubber(CR) 氯丁二烯橡胶(CR) 评价方法 Standard Type GBT ICS 83.060 CCS G35 Status 现行 Issue Date 2008-02-26 Implementation 2008-08-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A