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SU117992A1
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A device for counting and recording the readings of needle instruments
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SU43041A1
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Decoder
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SU44285A1
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Device for automatic control over distances by various electrical processes.
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SU44284A1
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The method of automatic control at a distance by electrical processes
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SU42330A1
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Device for measuring the temperature of hot bodies
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SU34068A1
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Apparatus for producing alternating current of various frequency and shape
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SU32609A1
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Device for differential protection of multiphase current installations
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SU20711A1
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Electric bridge for measuring resistance
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SU8773A1
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Device for selective protection of electrical networks from short circuits
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SU9387A1
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Electromagnetic current limiter
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SU25993A1
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Device for measuring the values of the individual components of the harmony in the AC curve
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SU4434A1
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Galvanic cell with electrolyte reserve
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SU4809A1
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Device for locating damage in a high voltage transmission line
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