2018-11-15T07:39:49Z 2018-11-15T07:39:49Z 1982-08 C1982-07-04 http://repository.krei.re.kr/handle/2018.oak/12995 관수용양수장비(양수기 휴갈 5″ 6″) 원가조사(백천기업) A research on the cost of water pumping device supplied to the government (foot valve-type 5″ 6″) (Baekcheon) KREI 보고서 9999-12-31 9999-12-31