发明授权
US6141818A Brush for gum massage and tooth cleaning and process for producing the bristles of such a brush 失效
刷牙按摩和牙齿清洁和生产这种刷子的刷毛的过程

Brush for gum massage and tooth cleaning and process for producing the
bristles of such a brush
摘要:
A gingival massaging and tooth cleaning brush comprises a bristle carrier with handle and on the bristle carrier individual or bundlewise fixed plastic bristles. For improving the massaging action the bristles are waved transversely to their axis, accompanied by the formation of distinct, stud-like wave tops and with a short wave length.
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