Lawson, Elmer J  <br/><br/>
Patents for chemical inventions  

 - Washington:   American Chemical Society,   1964 
 - 117p.  
 - Advances in chemistry series 46 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemical 
<br/><br/><label>Subjects--Index Terms: </label>Patents  
<br/><br/><label>Universal Decimal Class. No.: </label>54(047.1)  / K4