Home / Standards / GB/T 35471-2017 GB/T 35471-2017 Active Whiskers for friction material 摩擦材料用晶须 Standard Type GBT ICS 43.040.40 CCS Q69 Status 现行 Issue Date 2017-12-29 Implementation 2018-11-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A