Home / Standards / GB/T 8659-2008 GB/T 8659-2008 Abolished Rubber,butadiene (BR) 9000 丁二烯橡胶(BR)9000 Standard Type GBT ICS 83.060 CCS G35 Status 废止 Issue Date 2008-06-19 Implementation 2008-12-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A