2018-11-15T07:40:16Z 2018-11-15T07:40:16Z 1984-05 C1984-07 http://repository.krei.re.kr/handle/2018.oak/13038 주행형탈곡기(해육기계공업) Driving-type threshing machine (Haeyuk Machinery and Engineering) KREI 보고서 9999-12-31 9999-12-31