Home / Standards / GB/T 11834-2011 GB/T 11834-2011 Abolished Friction linings for industrial and agricultural machines 工农业机械用摩擦片 Standard Type GBT ICS 43.040.40;21.120.20 CCS Q69 Status 废止 Issue Date 2011-07-20 Implementation 2012-03-01 Responsible Dept 中国建筑材料联合会 Drafting Unit 中国建筑材料联合会