Seymour, W. Douglas <br/><br/>
Industrial skill /  
W. Douglas Seymour  
 - Londres :  Pitman,  1966 
 - 401 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ENSEÑANZA TECNICA<br/>INDUSTRIAL SKILLS
<br/><br/><label>Universal Decimal Class. No.: </label>373.62 SE96