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Reversible refrigerant heat pump system
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Patent number 4,474,030
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Issue date Oct 2, 1984
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General Electric Company
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William T. Ladusaw
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Discharge valve assembly for compressor
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Patent number 4,373,882
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Issue date Feb 15, 1983
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General Electric Company
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William T. Ladusaw
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Variable displacement compressor
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Patent number 4,373,352
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Issue date Feb 15, 1983
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General Electric Company
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William T. Ladusaw
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Rotary compressor gas injection
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Patent number 4,331,002
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Issue date May 25, 1982
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General Electric Company
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William T. Ladusaw
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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