Home / Standards / GB/T 5211.20-1999 GB/T 5211.20-1999 Active Comparison of the colour,in full-shade systems,of white,black and coloured pigments--Colorimetric method 在本色体系中白色、黑色和着色颜料颜色的比较 色度法 Standard Type GBT ICS 87.060.10 CCS G53 Status 现行 Issue Date 1999-09-16 Implementation 2000-06-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A