00650nam a2200217 k 4500001001300000005001500013008004100028020002200069049002800091052001700119056001500136082001600151245004200167250000900209260004500218300003100263650004300294653004100337700004000378950001400418KMO20050158720150817145557041227s2004    ulka          000   kor    a8971609680g935500 lEM3246262lEM3246263c201a581.523b5-1  a581.523240 a671.52222100a가스용접실기/d주형곤 집필  a3판  a서울:b한국산업인력공단,c2004  aiii, 157p.:b삽도;c30cm 8a가스 용접[--鎔接]0KSH1998003993  a가스용접a실기a용접a용접1 a주형곤,g周亨坤0KAC2015153971 a비매품