Japan Patent Association   <br/><br/>
Patent information study team in Europe and America  (Book) 

 - London  Derwent  1976 
 - 204 p.  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Patent literature Patents--Information retrieval system
<br/><br/><label>Universal Decimal Class. No.: </label>608.3 : 659.22 JAP  / 12702