00789nam a2200253 k 4500001001500000005001500015008004100030040001900071041001300090049002600103052002600129056001500155082001600170245007000186246002900256260003000285300003000315500002400345653006400369700002400433700005400457950001000511965001400521KMO199207546  20180702152939921118s1992    ulka          001   kor    a011001c0110011 akorheng0 lEM906772lEM906773c201a521.557b알715ㅌ김  a521.557230 a631.37221900a트랙터-작업기 시스템/d랠프 알콕 著;e김경욱 譯19aTractor-implement system  a서울:b文運堂,c1992  axii,172p.:b삽도;c25cm  a참고문헌 수록  a트랙터a작업기a시스템aTRACTORaIMPLEMENTaSYSTEM1 a알콕, 랠프4aut1 a김경욱,g金景旭,d1951-,e역0KAC2018196280 b\7000  a트랙터