Inventions Promotion Board <br/><br/>
Invention Intelligence. Vol 1(1965) - 29(1994) 

 - New Delhi  Inventions Promotion Board  1965 
 - 456p 
<br/><br/>Inventions Promotion Board: Invention Intelligence. Vol 1(1965) - 29(1994).  New Delhi.  Inventions Promotion Board, 1965.--(605INV)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>605  / II