Patent cooperation treaty (PCT) 

 - Geneva  World Intellectual Property Organization Geneva      1982 
 - 1-168p  cm. 
<br/><br/><label>Standard No.: </label>25,731 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>Z,2673p73,N70, M2