发明授权
US4228604A Biorhythmic device 失效
生物节律装置

Biorhythmic device
摘要:
A biorhythmic cycle indicator having three, sine-wave-contoured plates that slidingly overlay a backing plate that has a calendar strip. The plate contours and the calendar register to provide a graphic representation of a person's biorhythmic cycle.The contours of the sliding plates are illuminated to accent the component cycles.
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