Home / Standards / GB/T 3780.17-2008 GB/T 3780.17-2008 Abolished Carbon black - Part 17:Indirect determination of particle size - Reflectance method 炭黑 第17部分:粒径的间接测定 反射率法 Standard Type GBT ICS 83.040.20 CCS G49 Status 废止 Issue Date 2008-06-18 Implementation 2009-02-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A