Home / Standards / GB/T 8033-2009 GB/T 8033-2009 Active Benzol products of coal carbonization-determination of boiling range 焦化苯类产品馏程的测定方法 Standard Type GBT ICS 71.080.15 CCS G17 Status 现行 Issue Date 2009-07-08 Implementation 2010-04-01 Responsible Dept 国家标准委 Drafting Unit N/A