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1976年以洛阳拖拉机研究所为召集单位,由湖北农机液压件厂、长治液压元件厂、天津机械厂、沈阳农机试验场、农机院等单位参加的联合设计组对农用中高压齿轮泵进行了联合设计。其中四系列泵荣获了农机部1979～1980年重大科技成果三等奖,其设计参数为
In 1976, Luoyang Tractor Research Institute was convened by the joint design team of Hubei Agricultural Machinery Hydraulic Components Factory, Changzhi Hydraulic Components Factory, Tianjin Machinery Factory, Shenyang Agricultural Machinery Testing Center, Agricultural Machinery Institute and other units for the joint use of agricultural medium and high pressure gear pumps design. Among them, four series of pumps won the Third Prize of Major Scientific and Technological Achievements of Agricultural Machinery Department from 1979 to 1980. The design parameters are