ACHV :  Air conditioning, heating and ventilating. 

 - Chicago :  S. n.,  1969-. 
 - v. :  ill. 
 - Unknown 
 - Vol. 66, No.7-11 
 = ACHV :  Air conditioning, heating and ventilating 
 = ACHV 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ամսագիր<br/>Air conditioning--Periodicals.<br/>Heating systems--Periodicals.<br/>Ventilation--Periodicals