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ASHRAE 41.9   2025   Calorimeter Test Methods for Mass Flow Measurements of Volatile Refrigerants 40 $
ASHRAE 41.9   2021   Calorimeter Test Methods for Mass Flow Measurements of Volatile Refrigerants 25 $
ASHRAE 41.9   2018   Calorimeter Test Methods for Mass Flow Measurements of Volatile Refrigerants 25 $
ASHRAE 41.9   2011   Calorimeter Test Methods for Mass Flow Measurements of Volatile Refrigerants 25 $
ASHRAE 41.9   2006   Calorimeter Test Methods for Mass Flow Measurements of Volatile Refrigerants 25 $
ASHRAE 41.9   2000   Calorimeter Test Methods for Mass Flow Measurements of Volatile Refrigerants 15 $