Patent classifications
A
HUMAN NECESSITIES
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A46
BRUSHWARE
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A46B
BRUSHES
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9/00
Arrangements of the bristles in the brush body
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A46B9/02
Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
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A46B9/04
Arranged like in or; for toothbrushes
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A46B9/045
specially adapted for cleaning a plurality of tooth surfaces simultaneously
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