RU2019926C1
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Solution for clarification of coat of tin-lead alloy on printed circuit boards
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RU2014759C1
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Deaf-aid, carried behind the ear
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RU1800378C
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Device for measuring frequency change rate
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RU2020706C1
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Pulse-operated dc voltage regulator
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RU2019036C1
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Predistortion corrector
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RU2019037C1
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Device for automatic remote monitoring of parameters of channels of speech frequency and of communication line
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RU2014745C1
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Tv signal transmitting and receiving system
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SU1800538A1
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Coaxial cylindrical connector
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RU1820381C
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Device for servicing interrogations in the order of their accession
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RU1823144C
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Device for generating biimpulse signal
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RU2018212C1
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Printed-circuit board test unit
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RU1826105C
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Communicating line incorporating provision for arc suppression in remote power supply circuit
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RU1837400C
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Linear scale encoder
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RU1807557C
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Hybrid filter
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