Home / Standards / GB/T 11479-1989 GB/T 11479-1989 Abolished Blank detail specification for camera tubes 摄像管空白详细规范(可供认证用) Standard Type GBT ICS 31.120 CCS L38 Status 废止 Issue Date 1989-03-31 Implementation 1990-03-01 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A