Home / Standards / GB 3407-1990 GB 3407-1990 Abolished Petroleum xylene 石油混合二甲苯 Standard Type GB ICS 75.140 CCS G16 Status 废止 Issue Date 1990-12-30 Implementation 1991-10-01 Responsible Dept 中国石油化工集团公司 Drafting Unit N/A