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Heat pump apparatus
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Patent number 9,945,596
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Issue date Apr 17, 2018
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PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
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Yu Haraki
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Reversible compressor heat pump
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Patent number 4,367,638
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Issue date Jan 11, 1983
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General Electric Company
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David A. Gray
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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2976698
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Patent number 2,976,698
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Issue date Mar 28, 1961
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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2844945
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Patent number 2,844,945
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Issue date Jul 29, 1958
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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2641112
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Patent number 2,641,112
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Issue date Jun 9, 1953
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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2414339
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Patent number 2,414,339
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Issue date Jan 14, 1947
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...