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2694370
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Patent number 2,694,370
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Issue date Nov 16, 1954
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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2493960
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Patent number 2,493,960
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Issue date Jan 10, 1950
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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2483728
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Patent number 2,483,728
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Issue date Oct 4, 1949
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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2457292
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Patent number 2,457,292
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Issue date Dec 28, 1948
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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2367558
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Patent number 2,367,558
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Issue date Jan 16, 1945
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES