Home / Standards / GB/T 27976-2011 GB/T 27976-2011 Active Tube mill equipment for cement industry 水泥工业管磨装备 Standard Type GBT ICS 91.110 CCS Q92 Status 现行 Issue Date 2011-12-30 Implementation 2012-10-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A