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US08087843B2 Liquid dentifrice dispensing toothbrush 失效
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Liquid dentifrice dispensing toothbrush
Abstract:
A dentifrice dispensing toothbrush for applying a predetermined measured amount of liquid dentifrice from a reservoir of liquid dentifrice into the toothbrush bristles by means of an in integral pump. Liquid dentifrice may be refilled using the handle portion of the toothbrush.
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