Sampled-data phase-shift automatic frequency control systems von Sapfirov, S. G.

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A continuous phase-shift automatic frequency control system as a relay automatic control system von Sapfirov, S. G.

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Automated system for recording parameters of cutaneogalvanic reaction von Zorin, V. N., Sapfirov, S. G., Sukhodoev, V. V.

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METHOD AND APPARATUS FOR SUBSTANTIAL SPECTRUM ANALYSIS von ZORIN VITALIJ N,SU, SAPFIROV SERGEJ G,SU

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DEVICE FOR PHOTORECORDING SEQUENCE OF PERIODIC VIDEO PULSES von DENGIN GEORGIJ D,SU, SAPFIROV SERGEJ G,SU, ZHUKOV SERGEJ V,SU

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APPARATUS FOR EXTRACTING QRS-COMPLEXES OF ELECTROCARDIOSIGNAL von KOSTIN VLADISLAV V,SU, SAPFIROV SERGEJ G,SU, SOBOLEVSKIJ NIKOLAJ V,SU, ZHUKOV SERGEJ V,SU

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APPARATUS FOR RECORDING CONTANEOGALVANIC REACTION von KOSTIN VLADISLAV V,SU, VILKHOVSKIJ EDUARD M,SU, SAPFIROV SERGEJ G,SU, SOBOLEVSKIJ NIKOLAJ V,SU, ZHUKOV SERGEJ V,SU

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