Balbir <br/><br/>
New product butterfly valve design and development using digital & additive manu 
Balbir 
 - Dr   B R 
 - Jalandhar  Dr   B R  Ambedkar  National institute o  2014 
 - viii,46 
<br/><br/><label>Dewey Class. No.: </label>670.4275  / BA-N