Home / Standards / GB/T 16524-1996 GB/T 16524-1996 Active Specification for registration marks for photomasks 光掩模对准标记规范 Standard Type GBT ICS 31.200 CCS L95 Status 现行 Issue Date 1996-09-09 Implementation 1997-05-01 Responsible Dept 国家标准委 Drafting Unit N/A