Dentistry – Apparatus – Having suction orifice
Patent
1983-01-21
1984-07-17
Wilson, John J.
Dentistry
Apparatus
Having suction orifice
433 49, A61C 1704
Patent
active
044603401
ABSTRACT:
For use in reducing atmospheric contamination by mercury vapor from an amalgam container, there is provided a rigid tube hooked over the rim of the container and open to the interior thereof. The duct is connected through a filter for taking out the noxious material to a vacuum source.
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Pelzner Roger B.
Soelberg Kenneth B.
Stark Marvin M.
Marvin M. Stark Research Corporation
Wilson John J.
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