Home / Standards / GB/T 780-1979 GB/T 780-1979 Abolished Carbureters for automobile engines--Dimensions of outlet flanges 汽油发动机化油器出口凸缘尺寸 Standard Type GBT ICS 27.020 CCS J34 Status 废止 Issue Date 1979-02-19 Implementation 1979-12-01 Responsible Dept 工业和信息化部 Drafting Unit N/A