ES120837A1
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Improvements in insulating materials for electricity.
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ES119410A1
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Perfections in the preparation of magnetic alloys.
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ES119351A1
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Improvements in the manufacture of electrical conductors for signal transmission.
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ES116806A1
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Improvements in electrical insulating materials.
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ES113797A1
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An improved process for the manufacture of electrical insulation materials.
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ES110237A1
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Improvements in the preparation of insulating materials for cables and other electrical conductors.
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ES104975A1
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Perfections in metal alloys and their application to telegraph and telephone drivers.
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ES104447A1
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A process for the manufacture of alloys of the iron group.
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ES104446A1
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Perfections in the manufacture of nickel-cobalt and iron alloys.
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ES102556A1
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Perfections in magnetic alloys used in the manufacture of telegraph and telephone cables.
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GB191307311A
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Improvements in the Manufacture of Electric Cables.
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GB191116542A
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Improvements in the Covering of Electric Conductors with Plastic Material and in Apparatus therefor.
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GB190827470A
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Improvements in the Manufacture of Insulated Line Wire Cables for Telephone Circuits and the like.
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GB190612631A
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Improvements in Elastic Tyres.
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GB190510047A
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Improvements in Electric Cables.
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GB189811627A
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Improvements in Electric Cables.
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GB189729062A
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Improvements in Apparatus for the Manufacture of Electric Cables.
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GB189717820A
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Improvements in the Manufacture of Electric Cables, and in Apparatus therefor.
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GB189706181A
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Improvements in Electric Cables and in their Manufacture.
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GB189701789A
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Improvements in Electric Cables.
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