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ASHRAE 34   2024   Designation and Safety Classification of Refrigerants 80 $
ASHRAE 34   2022   Designation and Safety Classification of Refrigerants 80 $
ASHRAE 34   2019   Designation and Safety Classification of Refrigerants 80 $
ASHRAE 34   2007   Designation and Safety Classification of Refrigerants Includes ANSI/ASHRAE Addenda Listed in Appendix F 50 $
ASHRAE 34   2001   Designation and Safety Classification of Refrigerants Includes ANSI/ASHRAE Addenda Listed in Appendix C; Errata February 7, 2002; Addendum A June 22, 2002 50 $