Home / Standards / GB/T 13291-2008 GB/T 13291-2008 Abolished Butadiene for industrial use-specification 工业用丁二烯 Standard Type GBT ICS 71.080.10 CCS G17 Status 废止 Issue Date 2008-06-19 Implementation 2009-02-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A