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| US4253831 | 29 May 1979 | 3 Mar 1981 | | Aspirating dental device | | US5232362 | 8 Oct 1992 | 3 Ago 1993 | | Dental suction appliance | | US5378150 | 18 Jun 1992 | 3 Ene 1995 | | Methods and apparatus for controlling the aerosol envelope generated by ultrasonic devices | | US5547376 | 20 Oct 1994 | 20 Ago 1996 | | Methods and apparatus for containing and recovering abrasive powders from an abrasive polisher | | US5554026 | 25 Ago 1994 | 10 Sep 1996 | | Dental hand piece | | USD358888 | 15 Abr 1994 | 30 May 1995 | | Dental aspirator and tongue deflector |
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