Home / Standards / GB/T 7509-1987 GB/T 7509-1987 Active Blank detail specification for microprocessor semiconductor integrated circuits 半导体集成电路微处理器空白详细规范 (可供认证用) Standard Type GBT ICS 35.160 CCS L56 Status 现行 Issue Date 1987-03-25 Implementation 1987-11-01 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A