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3905748
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Patent number 3,905,748
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Issue date Sep 16, 1975
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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3713766
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Patent number 3,713,766
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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1842336
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Patent number 1,842,336
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Issue date Jan 19, 1932
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES