Home / Standards / GB/T 4072-1983 GB/T 4072-1983 Abolished Measuring method of the phosphor excited by cathod rays 阴极射线致荧光粉测试方法 Standard Type GBT ICS 31-030 CCS L32 Status 废止 Issue Date 1983-12-24 Implementation 1984-11-01 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A