Home / Standards / GB/T 30047-2013 GB/T 30047-2013 Active Method for evaluating the flotability of fine coal 煤粉(泥)可浮性评定方法 Standard Type GBT ICS 73.040 CCS D27 Status 现行 Issue Date 2013-12-17 Implementation 2014-05-01 Responsible Dept 中国煤炭工业协会 Drafting Unit N/A