Home / Standards / GB/T 4000-2008 GB/T 4000-2008 Abolished Coke - Determination of reactivity and strength after reaction 焦炭反应性及反应后强度试验方法 Standard Type GBT ICS 75.160.10 CCS H32 Status 废止 Issue Date 2008-08-19 Implementation 2009-04-01 Responsible Dept 中国钢铁工业协会 Drafting Unit 中国钢铁工业协会