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3336018
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Patent number 3,336,018
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Issue date Aug 15, 1967
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F27 - FURNACES KILNS OVENS RETORTS
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2928158
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Patent number 2,928,158
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Issue date Mar 15, 1960
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F26 - DRYING
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2775823
-
Patent number 2,775,823
-
Issue date Jan 1, 1957
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F27 - FURNACES KILNS OVENS RETORTS
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1891469
-
Patent number 1,891,469
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Issue date Dec 20, 1932
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F27 - FURNACES KILNS OVENS RETORTS
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1578559
-
Patent number 1,578,559
-
Issue date Mar 30, 1926
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F27 - FURNACES KILNS OVENS RETORTS
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1341550
-
Patent number 1,341,550
-
Issue date May 25, 1920
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F27 - FURNACES KILNS OVENS RETORTS