FIELD: hygienic accessories. SUBSTANCE: head, neck and part of the handle are made of flexible material, have inner spaces, and an additional handle is installed in the space of part of the handle for friction providing for hermetic sealing of the interior. EFFECT: enhanced convenience in use. 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| TOOTH-BRUSH | 1992 |
|
RU2056779C1 |
| TOOTH BRUSH | 1992 |
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