Ashrae Standards <br/><br/>
ASHRAE 15-2016 (PACKAGED W/ 34-2016) STANDARD 15-2016 (PACKAGED W/ STANDARD 34-2016) -- SAFETY STANDARD FOR REFRIGERATION SYSTEMS AND DESIGNATION AND CLASSIFICATION OF REFRIGERANTS (ANSI APPROVED) / 

 -  ASHRAE  2019-09-13 
<br/><br/><label>Dewey Class. No.: </label>621.3  / ASH