IEC 62127-1. Ultrasonics. Hydrophones. Part 1. Measurement and characterization of medical ultrasonic fields up to 40 MHz using hydrophones
IEC 62127-1 超声波学 水听器 第一部分 使用水听器测量和表征高达40 MHz的医用超声场
发布日期:
2005-11-22
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