Home / Standards / GB/T 20147-2006 GB/T 20147-2006 Abolished CIE standard colorimetric observers CIE标准色度观测者 Standard Type GBT ICS 17.180.20;29.140.01 CCS K70 Status 废止 Issue Date 2006-03-06 Implementation 2006-11-01 Responsible Dept 中国轻工业联合会 Drafting Unit 中国轻工业联合会