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CS508384A1
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Connection of acustic indicator of a liquid escape from closed spaces
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CS464984A1
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Ultrasonic indicator of liquid presence in the piping and its connection
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CS244567B1
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Ultrasonic level indicator connection with ultrasonic wave propagation speed change compensation
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CS234882B1
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Ultrasound radiator for wide range of operating temperatures
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CS233258B1
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Method of liquid level ultrasound indication and device for application of this method
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CS221699B1
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Ultrasound converter for the gas medium
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CS221698B1
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Connection of the circuits for transmission of the feeding current and signals by single conductor
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CS235212B1
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Probe of ultrasonic viscosimeter with torsional resonator
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CS214986B1
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Accoustic radiator for gaseous medium
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CS191629B1
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Connection of the ultrasound densimeter
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CS186469B1
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Connexion of the temperature compensation of the ultrasound meter of the solution concentration
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CS180350B1
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Ultrasonic level indicator temperature compensation circuit
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CS182553B1
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Ultrasonic radar evaluating circuit
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