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Economizer support
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Patent number 4,480,594
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Issue date Nov 6, 1984
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Combustion Engineering, Inc.
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Robert P. Sullivan
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F22 - STEAM GENERATION
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Furnace maintenance platform
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Patent number 4,474,497
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Issue date Oct 2, 1984
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Combustion Engineering, Inc.
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Robert P. Sullivan
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F27 - FURNACES KILNS OVENS RETORTS
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Square corner design for ductwork
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Patent number 4,453,571
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Issue date Jun 12, 1984
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Combustion Engineering, Inc.
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Robert P. Sullivan
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Removable seal for ash hoppers and the like
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Patent number 4,356,847
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Issue date Nov 2, 1982
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Combustion Engineering, Inc.
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Paul C. Anderson
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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