Home / Standards / GB/T 7702.3-2008 GB/T 7702.3-2008 Active Test method for granular activated carbon from coal - Determination of hardness 煤质颗粒活性炭试验方法 强度的测定 Standard Type GBT ICS 75.160.10 CCS D24 Status 现行 Issue Date 2008-11-20 Implementation 2009-05-01 Responsible Dept 中国煤炭工业协会 Drafting Unit 中国煤炭工业协会