吉林省科技局、机械局受一机部委托,于1977年9月25日至27日在农安县主持召开了4Y-2型玉米收割机鉴定会。参加会议的有来自五省、自治区农机主管部门和科研、教学、制造、使用单位的代表。一机部农机局、一机部机械院农机所也派人参加了会议。 The Science and Technology Bureau of Jilin Province and the Machinery Bureau were commissioned by the First Machine Department to chair the 4Y-2 corn harvester appraisal meeting in Nong’an County from September 25 to 27, 1977. The conference was attended by representatives from the departments of agricultural machinery of five provinces and autonomous regions and scientific research, teaching, manufacturing and use units. The Agricultural Machinery Bureau of the First Machine Department and the Agricultural Machinery Institute of the Machinery Department of the First Machine Department also sent people to attend the meeting.