Home / Standards / GB/T 1999-2008 GB/T 1999-2008 Active Sampling of coking oil products 焦化油类产品取样方法 Standard Type GBT ICS 71.080 CCS G18 Status 现行 Issue Date 2008-12-06 Implementation 2009-10-01 Responsible Dept 国家标准委 Drafting Unit N/A