Home / Standards / GB 3676-1992 GB 3676-1992 Abolished Maleic anhydride for industrial use 工业顺丁烯二酸酐 Standard Type GB ICS 71.080.50 CCS G16 Status 废止 Issue Date 1992-01-14 Implementation 1992-12-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A