00257nam a2200109Ia 4500008004100000041000800041082001500049100001300064245003500077260002700112300000800139211209s9999    xx            000 0 und d  aeng  a671.32 GHE  aGHENIS B  aCYLINDRICAL GRINDING PRACTICE   aMOSCOWbMIR PUBLISHERS  a301