Voss, Richard V.  <br/><br/>
Bauelemente der Feinmechanik. 

 - Berlin :   G.M.B.H,   1938. 
 - p. 491 
<br/><br/><label>Subjects--Topical Terms: </label><br/>DISEŅO DE MAQUINAS
<br/><br/><label>Universal Decimal Class. No.: </label>621.81