00263nam a2200109Ia 4500008004100000041000800041082001900049100001700068245004300085260001700128300000800145211209s1973    xx            000 0 und d  aeng  a621.75 N73 MAR  aMARSHALL H H  aPRODUCTION TECHNOLOGY FOR TECHNICIANS   bPITMANc1973  a390