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1、 4LD-2Y型油菜联合收割机由江苏南通农业机械总厂开发研制,已通过省级鉴定,获国家实用新型专利(专利号:ZL98224559·9)和农业部颁发的《农业机械推广许可证》。该机由原上海-Ⅲ型稻麦联合收割机改装而成,两机的工作原理基本相同,但主要性能参数有较大变化,且油菜联合收割机不能使用四轮驱动拖
1, 4LD-2Y rape combine harvester developed by Jiangsu Nantong Agricultural Machinery Plant, has passed the provincial appraisal, the national utility model patents (Patent No .: ZL98224559.9) and the Ministry of Agriculture issued the “Agricultural Machinery Promotion Permit ”. The aircraft from the original Shanghai-Ⅲ-type combine harvester made of rice and wheat, the two machines working principle is basically the same, but the major performance parameters have a greater change, and canola combine harvester can not use four-wheel drive