Home / Standards / GB/T 12571-1990 GB/T 12571-1990 Active Methods of measurement of monochrome display tubes 单色显示管测试方法 Standard Type GBT ICS 31.120 CCS L38 Status 现行 Issue Date 1990-12-12 Implementation 1991-10-01 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A