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Geothermal heat pump system

1998
GENUNG JOHN, CARPENTER FRANK K
openaire   +1 more source

Heat pump system for vehicle

2023
KIM YEONHO, KIM JAE YEON, CHO WAN JE
openaire   +1 more source

Hybrid heat-pump system

BUTLER BRIAN R   +3 more
openaire   +1 more source

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