Partap, P <br/><br/>
Utilization of Electrical energy 

 -  621.31 PAR 
<br/><br/><label>Standard No.: </label>75127 
<br/><br/><label>Subjects--Index Terms: </label>Electrical Electrical energy 
<br/><br/><label>Dewey Class. No.: </label>621.31  / PAR