Home / Standards / GB/T 26464-2011 GB/T 26464-2011 Active Determination of brightness(whiteness) for paper inorganic pigments 造纸无机颜料亮度（白度）的测定 Standard Type GBT ICS 85.010 CCS Y30 Status 现行 Issue Date 2011-05-12 Implementation 2011-09-15 Responsible Dept 中国轻工业联合会 Drafting Unit 中国轻工业联合会