TOOTHBRUSH
This toothbrush is provided with a main body that includes: a head part (4) having a raised bristle surface (4a) on which bristles (210) are erected; a grip part; and a neck part. The inside of the main body is provided with: a light-emitting part (50) that emits light (L) toward a tooth surface (99...
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Hauptverfasser: | , , , |
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Format: | Patent |
Sprache: | chi ; eng |
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