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Ultrasonic implement

  • US 20050241666A1
  • Filed: 07/14/2005
  • Published: 11/03/2005
  • Est. Priority Date: 11/16/1998
  • Status: Abandoned Application
First Claim
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1. A hand-held implement having an active part vibrating at a frequency of at least 20 kHz with an amplitude of at least 10 μ

  • m and up to 100 μ

    m, characterised in that the implement has at least two configurations, a first configuration where the active part is hard, and a second configuration where the active part is not hard.

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