Narayanan,P. <br/><br/>
Patent Law / 
P.Narayanan 
 - 4th ed(Revised). 
 - kolkata:  Eastren law House,  2018. 
 - 1041p.; 
<br/><br/><label>ISBN: </label>9788171773404 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Patent Law
<br/><br/><label>Dewey Class. No.: </label>346.410 48