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Air-conditioning apparatus
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Patent number 4,887,522
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Issue date Dec 19, 1989
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Kabushiki Kaisha Kyoritsu
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Toshio Kuno
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F24 - HEATING RANGES VENTILATING
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Air-conditioning apparatus
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Patent number 4,876,952
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Issue date Oct 31, 1989
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Kabushiki Kaisha Kyoritsu
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Toshio Kuno
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F24 - HEATING RANGES VENTILATING
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3380471
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Patent number 3,380,471
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Issue date Apr 30, 1968
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E03 - WATER SUPPLY SEWERAGE
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3294109
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Patent number 3,294,109
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Issue date Dec 27, 1966
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E03 - WATER SUPPLY SEWERAGE
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3223110
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Patent number 3,223,110
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Issue date Dec 14, 1965
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E03 - WATER SUPPLY SEWERAGE
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3070115
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Patent number 3,070,115
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E03 - WATER SUPPLY SEWERAGE
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2850039
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2633143
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Patent number 2,633,143
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Issue date Mar 31, 1953
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E03 - WATER SUPPLY SEWERAGE
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2100862
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Patent number 2,100,862
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Issue date Nov 30, 1937
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E03 - WATER SUPPLY SEWERAGE
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2032881
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Patent number 2,032,881
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E03 - WATER SUPPLY SEWERAGE
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2019919
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Patent number 2,019,919
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E03 - WATER SUPPLY SEWERAGE
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2018454
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Patent number 2,018,454
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E03 - WATER SUPPLY SEWERAGE
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961901
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Issue date Jun 21, 1910
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL