Home / Standards / GB/T 3780.2-2007 GB/T 3780.2-2007 Abolished Carbon black - Part 2：Determination of oil absorption number 炭黑 第2部分：吸油值的测定 Standard Type GBT ICS 83.040.20 CCS G49 Status 废止 Issue Date 2007-12-13 Implementation 2008-07-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A