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Water-cooled grate
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Patent number 7,426,892
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Issue date Sep 23, 2008
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Korea Institute of Science and Technology
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Jong Soo Jurng
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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2273453
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Patent number 2,273,453
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Issue date Feb 17, 1942
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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2206398
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Patent number 2,206,398
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Issue date Jul 2, 1940
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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2146094
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Patent number 2,146,094
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Issue date Feb 7, 1939
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES