Deller Anthony William <br/><br/>
Walker on patents 

 - 2nd 
 - New York  Baker, Voorhis & Co; Inc.     1964 
 - 910p  cm. 
<br/><br/><label>Standard No.: </label>28,015 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>Z73:2673, K4.2