Home / Standards / GB/T 32057-2015 GB/T 32057-2015 Active Test method for glass hardness and scratch resistance of high speed multiple unit 高速动车组玻璃硬度和抗划伤试验方法 Standard Type GBT ICS 81.040 CCS Q30 Status 现行 Issue Date 2015-10-13 Implementation 2016-09-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A