Inventive activity in the asian and the pacific region 

 - Geneva  World intellectual property organization Geneva      1980 
 - 153p  cm. 
<br/><br/><label>Standard No.: </label>19,086 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>Z,2673z7931, M0