Records of the washington diplomatic conference on the patent cooperation treaty 

 - Geneva  World intellectual property Geneva       1972 
 - 728p  cm. 
<br/><br/><label>Standard No.: </label>19,044 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>Z,2673,3p7361,N70, L2