Walking stick loaded with medicine discharging device and control method
GU JIANHUA, TONG GUANMING, ZHANG YULONG, SONG WEIJIE, LIN ZEGUANG, FAN YUXI, TIAN SIYUAN, HAN WEI, HAN YUXUAN, ZHANG NAN
Year of Publication 14.01.2022
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Year of Publication 14.01.2022
Patent