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Melting of reactive metallic materials
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Patent number 6,004,368
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Issue date Dec 21, 1999
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Hitchiner Manufacturing Co., Inc.
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George D. Chandley
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Levitation melting furnace
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Patent number 5,889,813
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Issue date Mar 30, 1999
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Fuji Electric Co., Ltd.
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Michiru Fujita
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F27 - FURNACES KILNS OVENS RETORTS
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Crucible for inductive heating
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Patent number 5,012,488
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Issue date Apr 30, 1991
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Leybold Aktiengesellschaft
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Otto W. Stenzel
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F27 - FURNACES KILNS OVENS RETORTS
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3579324
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Patent number 3,579,324
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Issue date May 18, 1971
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...