Home / Standards / GB/T 8727-2008 GB/T 8727-2008 Active Method for determination of coking value of coal pitch products 煤沥青类产品结焦值的测定方法 Standard Type GBT ICS 71.080 CCS G18 Status 现行 Issue Date 2008-08-19 Implementation 2009-04-01 Responsible Dept 国家标准委 Drafting Unit N/A