CSA ANSI Z21.40.2a-1997 (R2017)/CGA 2.92a-M97PD (R2017)
Addenda 1 to ANSI Z21.40.2-1996/CGA 2.92-M96, Gas-Fired, Work Activated Air-Conditioning and Heat Pump Appliances (Internal Combustion)
standard by CSA Group, 11/01/2000
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