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ES316635A1
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Procedure for the manufacture of construction elements semiconductors. (Machine-translation by Google Translate, not legally binding)
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GB983406A
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A series arrangement of controlled rectifiers
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GB930340A
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A self-excited thermoelectronic energy converter
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GB930553A
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Improvements in or relating to heat-exchangers
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GB459773A
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Improvements in and relating to enclosed commutator arrangements for electric motors and other electrical machines and apparatus
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GB467272A
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Improvements in and relating to protective devices for oil filled electrical apparatus
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GB297731A
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Improvements in or relating to electric power plants with asynchronous generators
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CA775775A
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Thermomagnetic-effect devices
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