Choudhary Rajesh <br/><br/>
Investigate the proper tool electrode for en-31 material on electrodischarge mac 
Choudhary Rajesh 
 - Dr   B R 
 - Jalandhar  Dr   B R  Ambedkar  National institute o  2007 
 - 78 
<br/><br/><label>Dewey Class. No.: </label>621.902  / CH-T