00521     2200169   4500001002100000005001500021035002000036008004100056245006400097100001900161260002900180300003200209084002200241520007000263082001000333650000800343INLIS00000000000268620230919020857  a0010-0421002686230919                           0 ind  1 aMengelas dengan proses las gas tungsten (las gas)untuk SMK.  aYogaswara, Eka  aBandung :bArmico,c2004  c78 hal.:ilus.:bibl.; 30 cm.  a671.5 / YOG m k.1  aLas Ting,Simbol Las,Keselamatan Kerja Distori dan Alat Bantu Las.  a671.5 4aLAS