Patents act, 1970 

 - Lucknow  Eastern book company India       1973 
 - 172p  cm. 
<br/><br/><label>Standard No.: </label>8,302 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>Z2:2673qN70, L3.2