00274nam a2200109Ia 4500008004100000041000800041082001900049100001300068245003100081260004400112300000800156211209s1979    xx            000 0 und d  aeng  a671.52 N79 CAR  aCARY H B  aMODERN WELDING TECHNOLOGY   aNEW DELHIbPRENTICE-HALL OF INDIAc1979  a746