Home / Standards / GB/T 7581-1987 GB/T 7581-1987 Active Dimensions of outlines for semiconductor discrete devices 半导体分立器件外形尺寸 Standard Type GBT ICS 31.080 CCS L42 Status 现行 Issue Date 1987-03-27 Implementation 1987-11-01 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A