Home / Standards / GB/T 2679.1-2013 GB/T 2679.1-2013 Abolished Paper―Determination of transmittance―Diffuse reflectance measurement 纸 透明度的测定 漫反射法 Standard Type GBT ICS 85.010 CCS Y30 Status 废止 Issue Date 2013-12-17 Implementation 2014-12-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A