00845nam a2200241 k 4500001001500000005001500015008004100030040001900071049002600090052002100116056001300137082001600150110006800166245011700234260005100351300002900402500002100431500002000452653004000472700005300512950002100565965001700586KMO199014900  20180704131940910327s1990    ulka          001   kor    a011001c0110010 lEM793125lEM793126c201a559.7b한622ㄱ  a559.7230 a671.734219  a한국직업훈련관리공단.b직업훈련연구소,e편찬20a(직업훈련교재)금속강도학:b전문과정/d한국직업훈련관리공단 직업훈련연구소 편찬  a서울:b한국직업훈련관리공단,c1990  avi,200p.:b삽도;c26cm  a이동녕 집필  a이론교재임  a직업훈련교재a금속강도학1 a이동녕,g李東寧,d1938-0KAC2013300834aut1 a비매품b\5000  a금속공학