00739nam a2200229 k 4500001001300000005001500013008004100028020003100069049002800100052001500128056002100143082001400164245004900178250000900227260003300236300002600269500008800295504001700383653004500400700005300445950001100498KMO20012813020180720132056011025s2001    ulka          001   kor    a8942570151g93530:c\250000 lEM2414433lEM2414434c201a575.7b1-2  a575.7a530.98240 a665.722100a가스안전공학/d이수경...[등]편저  a2판  a서울:b東和技術,c2001  a657p.:b삽도;c26cm  a권말부록으로 '사고방지를 위한 대책방향 및 추진사항'등 수록  a색인수록  a가스안전공학a가스안전a가스1 a이수경,g李壽庚,d1953-0KAC2014171184aut0 b\25000