Home / Standards / GB 3778-2003 GB 3778-2003 Abolished Carbon black for use in rubber products 橡胶用炭黑 Standard Type GB ICS 83.040.30 CCS G49 Status 废止 Issue Date 2003-12-11 Implementation 2004-06-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A