2018-11-15T07:40:14Z 2018-11-15T07:40:14Z 1984-05 C1984-04 http://repository.krei.re.kr/handle/2018.oak/13035 육묘상자세척기(백천기업)원가조사 A research on the costs of nursery box washing machines (Baekcheon) KREI 보고서 9999-12-31 9999-12-31