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Air conditioning system
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Patent number 6,220,341
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Issue date Apr 24, 2001
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Sanyo Electric Co., Ltd.
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Masashi Izumi
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F28 - HEAT EXCHANGE IN GENERAL
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Air conditioning system
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Patent number 6,006,528
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Issue date Dec 28, 1999
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Sanyo Electric Co., Ltd.
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Hidetoshi Arima
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F24 - HEATING RANGES VENTILATING
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Air conditioning system
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Patent number 5,966,954
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Issue date Oct 19, 1999
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Sanyo Electronic Co., Ltd.
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Hidetoshi Arima
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F24 - HEATING RANGES VENTILATING
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Air conditioning system
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Patent number 5,924,480
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Issue date Jul 20, 1999
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Sanyo Electric Co., Ltd.
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Hidetoshi Arima
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F24 - HEATING RANGES VENTILATING
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