Uniclass category Pr_70_60_37
Air-to-air heat pumps (3)
Pr_70_60_37_02
Air-to-water heat pumps (6)
Pr_70_60_37_04
Gas-fired absorption heat pumps (1)
Pr_70_60_37_34
Water-to-air heat pumps (1)
Pr_70_60_37_96
Water-to-water heat pumps (1)
Pr_70_60_37_98
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