Home / Standards / GB/T 14844-1993 GB/T 14844-1993 Abolished Designations of semiconductor materials 半导体材料牌号表示方法 Standard Type GBT ICS N/A CCS H80 Status 废止 Issue Date 1993-12-30 Implementation 1994-09-01 Responsible Dept 国家标准委 Drafting Unit N/A