Home / Standards / GB/T 2778-1992 GB/T 2778-1992 Active Power take-off pulley for agricultural tractors--Peripheral speed and width 农业拖拉机动力输出皮带轮圆周速度和宽度 Standard Type GBT ICS 65.060.10 CCS T67 Status 现行 Issue Date 1992-11-14 Implementation 1993-07-15 Responsible Dept 中国机械工业联合会 Drafting Unit N/A