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Refrigerating structure
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Patent number 11,092,374
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Issue date Aug 17, 2021
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WUYI UNIVERSITY
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Min Wu
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F24 - HEATING RANGES VENTILATING
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Heating and cooling system
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Patent number 5,183,102
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Issue date Feb 2, 1993
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The Montana Power Company
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Steven J. Clark
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F24 - HEATING RANGES VENTILATING
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3247894
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Patent number 3,247,894
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Issue date Apr 26, 1966
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F24 - HEATING RANGES VENTILATING
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2982523
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Patent number 2,982,523
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Issue date May 2, 1961
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F24 - HEATING RANGES VENTILATING
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2793004
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Patent number 2,793,004
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Issue date May 21, 1957
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F24 - HEATING RANGES VENTILATING
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2165854
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Patent number 2,165,854
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Issue date Jul 11, 1939
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F24 - HEATING RANGES VENTILATING
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1944992
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Patent number 1,944,992
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Issue date Jan 30, 1934
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F24 - HEATING RANGES VENTILATING