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Apparatus for pickling cast rod
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Patent number 4,181,091
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Issue date Jan 1, 1980
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Southwire Company
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Daniel B. Cofer
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Forming apparatus with roller guide tube
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Patent number 4,068,705
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Issue date Jan 17, 1978
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Southwire Company
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Daniel B. Cofer
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Method of treating molten metal
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Patent number 4,067,731
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Issue date Jan 10, 1978
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Southwire Company
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Enrique C. Chia
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Molten metal filter
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Patent number 4,007,923
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Issue date Feb 15, 1977
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Southwire Company
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Enrique C. Chia
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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