Narayanan, P. <br/><br/>
Patent law.  

 - 4th;4th Revised 
 - Kolkata:  Eastern Law House,  2006,2017, 2023 
 - 61,1021p;61,1041p.61, 1041p. 
<br/><br/> 1. Intellectual property law<br/>2. Patent<br/>  
<br/><br/><label>ISBN: </label>8171771785; 9788171773404; 9788171773817 
<br/><br/><label>Dewey Class. No.: </label>341.7586 NAR