RU2744768C1
|
|
Spectrum analyzer
|
RU2722462C1
|
|
Multichannel system for seismic surveys
|
RU2744717C1
|
|
Acoustic borehole radiator
|
RU2704437C1
|
|
Cardiac monitor for detecting informative parameters
|
RU2697852C1
|
|
Device for diagnostics of technical condition of mechanisms
|
RU2677358C1
|
|
Modulator of discrete signal by time position
|
RU2668742C1
|
|
Generator of sequences of stiffler code
|
RU2668306C1
|
|
Device for geo-electrical exploration
|
RU2634234C1
|
|
Generator of discrete orthogonal signals
|
RU2531474C1
|
|
Device for diagnostics of technical condition of mechanisms
|
RU2453677C1
|
|
Acoustic downhole emitter
|
RU2446437C1
|
|
Generator of discrete orthogonal signals
|
RU2408038C1
|
|
Device for geoelectric exploration with improved interference resistance, sensitivity and metering accuracy
|
RU2282891C1
|
|
Device for reproduction of orthogonal functions
|
RU2047895C1
|
|
Spectrum analyzer
|
RU2048708C1
|
|
Amplitude modulator
|
RU2025901C1
|
|
System of transmission of discrete information
|