ELECTRIC TOOTHBRUSH
PROBLEM TO BE SOLVED: To provide an electric toothbrush which is light-weight, small sized, generates a few noises, is convenient in carriage, has excellent fashionability, and has a simple attachment/detachment structure of a toothbrush body.SOLUTION: An electric toothbrush is composed of: a body 1...
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Format: | Patent |
Sprache: | eng ; jpn |
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