Home / Standards / GB/T 30053-2013 GB/T 30053-2013 Active Determination of Benzene, toluene and xylene in crude benzene 粗苯中三苯含量的测定方法 Standard Type GBT ICS 71.080.15;71.040 CCS G16 Status 现行 Issue Date 2013-12-17 Implementation 2014-05-01 Responsible Dept 国家标准委 Drafting Unit N/A