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Conveying through furnaces
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Patent number 11,293,695
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Issue date Apr 5, 2022
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AUTOTECH ENGINEERING S.L.
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Eduardo Fernandez De Retana Arregui
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F27 - FURNACES KILNS OVENS RETORTS
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Continuous infrared furnace
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Issue date Apr 7, 2009
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Despatch Industries Limited Partnership
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Hans L. Melgaard
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F27 - FURNACES KILNS OVENS RETORTS
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Heating apparatus
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Patent number 4,975,048
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Issue date Dec 4, 1990
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Sharp Kabushiki Kaisha
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Terumasa Yoneda
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F27 - FURNACES KILNS OVENS RETORTS
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Vacuum electric furnace
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Patent number 4,212,633
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Issue date Jul 15, 1980
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Abar Corporation
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Benjamin A. Kreider
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F27 - FURNACES KILNS OVENS RETORTS
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3792965
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Patent number 3,792,965
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F27 - FURNACES KILNS OVENS RETORTS
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3567197
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F27 - FURNACES KILNS OVENS RETORTS
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F27 - FURNACES KILNS OVENS RETORTS
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385247
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Issue date Jun 26, 1888
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C21 - METALLURGY OF IRON