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Device for cleaning of surfaces
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SU1765720A1
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Temperature-to-electric signal diffusive transducer
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RU1780845C
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Supersonic sprayer
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Device for controlling multiphase pulse modulator
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Method for measuring signal phase difference
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Wide-band a.c.-d.c.converter
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Device for controlling push-pull transistor inverters
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Method of controlling push-pull converter
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SU1552309A2
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Push-pull transistor inverter
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SU1598072A1
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D.c. to d.c. converter
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Device for computing number of pulses per time unit
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Device for measuring parameters of ship oscillating motions
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