Home / Standards / GB/T 3948-1983 GB/T 3948-1983 Abolished Test method of three primary colors chromaticity coordinates for TV 电视三基色色度坐标测试方法 Standard Type GBT ICS N/A CCS M60 Status Abolished Issue Date 1983-11-28 Implementation 1984-10-01 Centralized Committee 工业和信息化部（电子） Issuing Authority 国家标准局