00761nam a2200217 c 4500001001300000005001500013007000300028008004100031020003400072049002800106052001700134056002100151082002200172245008200194260004600276300003900322650005600361650004300417710007200460950001100532KMO20134061420190521093312ta130726s2013    hcka          000   kor    a9788998256371g93500:c\110000 lEM5713007lEM5713008c201a575.7b13-20  a575.7a530.982501a665.7a620.8622120a(전문교육 보수과정) 운반책임자 /d한국가스안전공사 [편]  a천안 :b한국가스안전공사,c2013  a119 p. :b천연색삽화 ;c22 cm 8a가스 비축 시설[--備蓄施設]0KSH1998003987 8a가스 안전[--安全]0KSH2005017401  a한국가스안전공사.b가스안전교육원0KAB2019023814aut0 b\11000