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Improved air-source heat pump
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Evaporative cooling device
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A refrigeration system operable under transcritical conditions
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Air-source heat pump
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Heat pump
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Heating system
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Improved refigerating system
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EP1498667A2
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Improved transcritical refrigeration cycle
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Improved refrigeration cycle (2)
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Improved refrigeration cycle
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Improved cooling system
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Compressor efficiency improvement
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Compressor
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Refrigerant as R22 replacement
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R22 refrigerant replacement
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Subterranean cavity cooling method
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