Home / Standards / GB/T 7702.17-1997 GB/T 7702.17-1997 Active Standard test method for granularactivated carbon from coal--Determination of floatation ratio 煤质颗粒活性炭试验方法 漂浮率的测定 Standard Type GBT ICS 75.160.10 CCS D24 Status 现行 Issue Date 1997-12-03 Implementation 1998-06-01 Responsible Dept 中国煤炭工业协会 Drafting Unit N/A