Refrigeration and airconditioning  : shop talks & plan for theoretical instructions Basic level Grade 

 - Islamabad:    N. T. B, Govt of Pakistan,    1986.    
 - 284p.    
<br/><br/> PB   
<br/><br/><br/>Eng   
<br/><br/><label>Subjects--Topical Terms: </label><br/>Refrigeration.  <br/>Airconditioning.  
<br/><br/><label>Dewey Class. No.: </label>621.5  / NAR