Hygienic tooth sets
The invention discloses hygienic tooth sets which comprise a saucer (1) and a cup body (2) arranged on the saucer (1) in inverted mode. The saucer comprises a lateral wall (12) and a supporting wall (11) arranged on the lateral wall. Water draining holes (4) are arranged on the supporting wall, and...
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Format: | Patent |
Sprache: | chi ; eng |
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