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Vertical shaft furnace
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Patent number 4,309,170
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Issue date Jan 5, 1982
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Southwire Company
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George C. Ward
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Continuous casting mold
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Patent number 4,287,934
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Issue date Sep 8, 1981
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Southwire Company
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George C. Ward
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B22 - CASTING POWDER METALLURGY
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Plasma arc vertical shaft furnace
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Patent number 4,129,742
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Issue date Dec 12, 1978
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Southwire Company
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George C. Ward
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Apparatus for conveying heated rod
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Patent number 4,056,959
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Issue date Nov 8, 1977
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Southwire Company
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George C. Ward
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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