Ballaney, P L <br/><br/>
Refrigerationand air-conditioning 

 -  621.56 BAL 
<br/><br/> Donation 
<br/><br/><label>Standard No.: </label>74638 
<br/><br/><label>Subjects--Index Terms: </label>Mechanical Refrigeration and air conditioning 
<br/><br/><label>Dewey Class. No.: </label>621.56  / BAL