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An apparatus consisting of one electroauscultador
An apparatus consisting of one electroauscultador
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机译:一种由一个电听师组成的仪器
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摘要
An electro-oscultador apparatus essentially constituted by a microphone which is applied to the region to be auscultated as the provinentes sound waves auscultation produce small electrical oscillations passing through an electronic amplifier to be then transformed into sound waves by speakers or headphones and recorded by a milliammeter.
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