Home / Standards / GB/T 34177-2017 GB/T 34177-2017 Active Quartz glass wafer for lithography 光刻用石英玻璃晶圆 Standard Type GBT ICS 81.040.30 CCS Q35 Status 现行 Issue Date 2017-09-07 Implementation 2018-08-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A