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Dry deodorizing apparatus
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Patent number 4,370,301
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Issue date Jan 25, 1983
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Mitsubishi Denki Kabushiki Kaisha
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Kunihiro Doi
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Water producing apparatus
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Patent number 4,365,979
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Issue date Dec 28, 1982
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Mitsubishi Denki Kabushiki Kaisha
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Tetsu Takeyama
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F24 - HEATING RANGES VENTILATING
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Water producing apparatus
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Patent number 4,299,599
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Issue date Nov 10, 1981
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Mitsubishi Denki Kabushiki Kaisha
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Tetsu Takeyama
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE