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US5487386A Ultrasonic diagnostic apparatus 失效
超声波诊断仪

Ultrasonic diagnostic apparatus
摘要:
An ultrasonic diagnostic apparatus transmits an ultrasonic wave to an object to be examined and forms an image of tomographic information in the object obtained through an ultrasonic probe. The apparatus measures a comulative operation time of the ultrasonic probe and output the cumulative operation time.
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