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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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3395968
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Patent number 3,395,968
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Issue date Aug 6, 1968
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Patent number 3,393,039
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Patent number 3,376,099
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Patent number 2,693,849
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Issue date Nov 9, 1954
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Issue date Nov 9, 1954
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F24 - HEATING RANGES VENTILATING