Home / Standards / GB/T 30656-2014 GB/T 30656-2014 Abolished Polished monocrystalline silicon carbide wafers 碳化硅单晶抛光片 Standard Type GBT ICS 29.045 CCS H83 Status 废止 Issue Date 2014-12-31 Implementation 2015-09-01 Responsible Dept 国家标准委 Drafting Unit N/A