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Two stage material cooler
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Patent number 4,624,636
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Issue date Nov 25, 1986
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Fuller Company
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Daniel A. Willis
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F27 - FURNACES KILNS OVENS RETORTS
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Device for removing grate screenings
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Patent number 4,509,917
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Issue date Apr 9, 1985
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Claudius Peters AG
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Hans-Jurgen Ubert
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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3892044
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Issue date Jul 1, 1975
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F28 - HEAT EXCHANGE IN GENERAL
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3705460
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Patent number 3,705,460
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F27 - FURNACES KILNS OVENS RETORTS
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3686773
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F27 - FURNACES KILNS OVENS RETORTS
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3358385
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Issue date Dec 19, 1967
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F27 - FURNACES KILNS OVENS RETORTS
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3170775
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F27 - FURNACES KILNS OVENS RETORTS
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2904323
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F27 - FURNACES KILNS OVENS RETORTS
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2879983
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Patent number 2,879,983
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F27 - FURNACES KILNS OVENS RETORTS
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2846778
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F27 - FURNACES KILNS OVENS RETORTS
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2674810
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F27 - FURNACES KILNS OVENS RETORTS
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2609149
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F27 - FURNACES KILNS OVENS RETORTS
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2431799
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F28 - HEAT EXCHANGE IN GENERAL
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2371513
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F28 - HEAT EXCHANGE IN GENERAL
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2312034
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F27 - FURNACES KILNS OVENS RETORTS
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2163513
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F27 - FURNACES KILNS OVENS RETORTS