US1483376A
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Manger for dairy barns
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CA179855A
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Electrical furnace
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CA179856A
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Electrical furnace
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CA138417A
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Process of smelting and producing carbide
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CA118190A
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Production of ferrosilicon
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CA116789A
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Production of ferro-vanadium
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US887123A
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Electrode for electric furnaces and process of making the same.
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CA111971A
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Smelting process
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US868808A
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Furnace.
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CA111784A
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Production of low carbon ferro alloy
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US866599A
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Lime product.
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CA102789A
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Production of ferro-alloys
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CA102761A
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Reduction of metallic compounds
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CA102762A
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Process reducing compounds and producing carbides
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CA102763A
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Apparatus for reducing metallic compounds
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US825348A
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Process of producing low-carbon ferro alloys.
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US855479A
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Process of smelting refractory ores and producing ferro-alloys.
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US865609A
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Process of smelting refractory ores and producing low-carbon ferro alloys.
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US862996A
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Process of reducing compounds and producing low-carbon ferro alloys.
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US855478A
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Process of smelting refractory ores and producing ferro-alloys.
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