이정환 현공남 조덕래 2018-11-15T07:40:00Z 2018-11-15T07:40:00Z 1983-09 C1983-03-01 http://repository.krei.re.kr/handle/2018.oak/13014 볏집절단기(아세아산업공사) Rice-straw cutter (Asea Industrial) KREI 보고서 Lee, Junghwan Cho, Duckrae 9999-12-31 9999-12-31