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Wells
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A range-gated ultrasonic Doppler system |
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US4016750A
(en)
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Ultrasonic imaging method and apparatus
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US5588439A
(en)
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Acoustic impulse respirometer and method
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US4714846A
(en)
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Apparatus for the examination of objects with ultra-sound, comprising an array of piezo-electric transducer elements
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US7291108B2
(en)
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Ultrasonic transmission/reception apparatus for generating an image based on ultrasonic echoes and vibro-acoustic sounds
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US3732532A
(en)
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Ultrasonic doppler instrument
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Goovaerts et al.
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A transducer for detection of fetal breathing movements |
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JPH043223B2
(enExample)
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JPH06281728A
(ja)
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可変利得増幅器を組み込んだ超音波変換器
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EP0216326A2
(en)
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Electroacoustic transducer
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SU187215A1
(enExample)
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JPH07502670A
(ja)
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トノメータ
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US3525976A
(en)
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Ultrasonic amplitude-doppler detector
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US4122724A
(en)
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Swept frequency audible bond tester
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Gammell et al.
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Time delay spectrometry for hydrophone calibrations below 1 MHz |
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Groom et al.
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High-sensitivity capacitance pickup for heart sounds and murmurs |
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JPS6053133A
(ja)
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超音波診断装置
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JPS60222040A
(ja)
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連続超音波ドツプラ装置
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JPH04132498A
(ja)
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超音波センサ装置
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GB1313534A
(en)
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Electroacoustic investigation apparatus
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SU764656A1
(ru)
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Устройство дл изучени сердечной де тельности с помощью эффекта допплера
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SU1134758A2
(ru)
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Устройство дл контрол впрыска топлива
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JPH0530732Y2
(enExample)
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SU1633352A1
(ru)
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Ультразвуковой дефектоскоп
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SU1528442A1
(ru)
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Устройство дл контрол сердечной де тельности
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