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Rotary tube apparatus
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Patent number 12,000,655
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Issue date Jun 4, 2024
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Grenzebach-BSH GmbH
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Niclas Schultheis
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F27 - FURNACES KILNS OVENS RETORTS
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Sintering furnace
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Patent number 4,106,893
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Issue date Aug 15, 1978
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Ludwig Riedhammer GmbH & Co. K.G.
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Helmut Baumann
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3705620
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Issue date Dec 12, 1972
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F27 - FURNACES KILNS OVENS RETORTS
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3667133
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F27 - FURNACES KILNS OVENS RETORTS
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3142884
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F27 - FURNACES KILNS OVENS RETORTS
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2987306
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Patent number 2,987,306
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F27 - FURNACES KILNS OVENS RETORTS
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2798693
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F28 - HEAT EXCHANGE IN GENERAL
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1377522
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Issue date May 10, 1921
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F27 - FURNACES KILNS OVENS RETORTS