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Cylindrical heating apparatus
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Patent number 11,193,866
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Issue date Dec 7, 2021
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King Abdulaziz University
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Mohammed Algarni
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F27 - FURNACES KILNS OVENS RETORTS
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2559595
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Patent number 2,559,595
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Issue date Jul 10, 1951
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F27 - FURNACES KILNS OVENS RETORTS
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2173614
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Patent number 2,173,614
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Issue date Sep 19, 1939
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F27 - FURNACES KILNS OVENS RETORTS
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1731901
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Patent number 1,731,901
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Issue date Oct 15, 1929
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F27 - FURNACES KILNS OVENS RETORTS