00258nam a2200121Ia 4500100001900000490000600019654001200025245002300037260004500060082001100105300000800116546001200124  aLinnert/ G.E.   v1  aWelding  aWelding metallurgy  bAmerican Welding SocietyaNew Yorkc1965  a672.52  a474  aENGLISH