Home / Standards / GB/T 1997-2008 GB/T 1997-2008 Active Coke-sampling and preparation of samples 焦炭试样的采取和制备 Standard Type GBT ICS 75.160.10 CCS H32 Status 现行 Issue Date 2008-12-06 Implementation 2009-10-01 Responsible Dept 国家标准委 Drafting Unit N/A