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Lime sludge kiln
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Patent number 4,993,942
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Issue date Feb 19, 1991
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Champion International Corporation
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John W. Boyden
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F26 - DRYING
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Lime sludge kiln
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Patent number 4,952,147
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Issue date Aug 28, 1990
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Champion International Corporation
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John W. Boyden
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F26 - DRYING
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-
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Rotary incinerator
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Patent number 4,108,088
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Issue date Aug 22, 1978
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Met-Pro Systems, Inc.
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Roy B. Burden
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F26 - DRYING
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Rotary kiln
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Patent number 4,014,643
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Issue date Mar 29, 1977
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Almer Sangyo Kaisha, Ltd.
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Keijiro Musha
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F26 - DRYING
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3497191
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Patent number 3,497,191
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Issue date Feb 24, 1970
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F26 - DRYING
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2276589
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Patent number 2,276,589
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Issue date Mar 17, 1942
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F26 - DRYING
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2138240
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Patent number 2,138,240
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Issue date Nov 29, 1938
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F26 - DRYING
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2122857
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Patent number 2,122,857
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Issue date Jul 5, 1938
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F26 - DRYING
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2027059
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Patent number 2,027,059
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Issue date Jan 7, 1936
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F26 - DRYING