Home / Standards / GB/T 3209-2009 GB/T 3209-2009 Active Method for determination the amount of distillation residual of benzene-type product 苯类产品蒸发残留量的测定方法 Standard Type GBT ICS 71.080.15 CCS G17 Status 现行 Issue Date 2009-07-15 Implementation 2010-04-01 Responsible Dept 国家标准委 Drafting Unit N/A