Home / Standards / GB/T 12964-2018 GB/T 12964-2018 Active Monocrystalline silicon polished wafers 硅单晶抛光片 Standard Type GBT ICS 29.045 CCS H82 Status 现行 Issue Date 2018-09-17 Implementation 2019-06-01 Responsible Dept 国家标准委 Drafting Unit N/A