00310nam a2200121Ia 4500008004100000041000800041082002400049100001600073245004700089250001000136260003400146300000800180211209s1979    xx            000 0 und d  aeng  a621.702 POL N79 POL  aPOLLACK H W  aMANUFACTURING AND MACHINE TOOL OPERATIONS   a2 ed.  aNEW DELHIbPRENTIC-HALLc1979  a655