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SU36424A1
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Steam engine
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The method of receiving vision, transmitted by modulation of the light beam
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Device for changing the path of the light spot when transmitting images
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A device for transmitting images at a distance
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Electric typewriter
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Device for phase correction in television devices
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Steam engine
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Device for regulating solar power plants
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Trackless transport device
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Device for automatic compilation of synoptic maps
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Stone collector
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Steam machine
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Device for automatic transmission over wires to the distance of indications of meteorological instruments
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