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Boiler tube shield
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Patent number 6,065,532
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Issue date May 23, 2000
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American Megatteaux Corp.
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David Allen Brownlee
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F28 - HEAT EXCHANGE IN GENERAL
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High-temperature generator
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Patent number 5,915,468
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Issue date Jun 29, 1999
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Ebara Corporation
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Naoyuki Inoue
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F24 - HEATING RANGES VENTILATING
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Boiler tube shield
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Patent number 5,884,695
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Issue date Mar 23, 1999
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American Magotteaux Corporation
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David Allen Brownlee
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F28 - HEAT EXCHANGE IN GENERAL
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Tube shield
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Patent number 5,154,648
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Issue date Oct 13, 1992
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Dennis J. Buckshaw
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F28 - HEAT EXCHANGE IN GENERAL
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Tube shield
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Patent number 5,094,292
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Issue date Mar 10, 1992
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Dennis J. Buckshaw
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F28 - HEAT EXCHANGE IN GENERAL
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