00314nam a2200109Ia 4500008004100000082001400041100001700055245004900072260004400121300001100165650002800176240817s9999    xx            000 0 und d  a621.75 H1  aBuckingham.E 0aPrinciples of interchangeable manufacturing.  c1941a New Yorkb The Infdustrial press  a258 p.  a Electrical engineering