| http://www.w3.org/ns/prov#value | - A mechanical toothbrush according to claims 1, wherein the flexible shafts terminate at said one ends by respective endpieces, sleeves engaged with said endpieces and at least two gear wheels connected to said sleeves and driven by said drive means, said drive means including a motor in said handle, said head being mounted on said handle and being disconnectable therefrom.
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