00254nam a2200109Ia 4500008004100000041000800041082002000049100001700069245004100086260000900127300000800136211209s1978    xx            000 0 und d  aeng  a621.992 N78 KEM  aKEMPSTER H A  aINTRODUCTION TO JIG AND TOOL DESIGN   c1978  a104