00343nam a2200109Ia 4500008004100000041000800041082001900049100004000068245006700108260005000175300000800225211209s1979    xx            000 0 und d  aeng  a671.35 N79 ENG  aENGINEERING INDUSTRY TRAINING BOARD  aGRINDING-I FOR ENGINEERING CRAFTSMAN INSTRUCTION MANNUAL MH-5   bTHE ENGINEERING INDUSTRY TRAINING BOARDc1979  a176