TRACHEOSTOMY TUBE CONSTRUCTION
United States Patent 3461877
US Patent References:
Insertable joint
- - 2297966

Apparatus for oral anesthesia
- - 2638096


Inventors:
Morch, Ernst Trier
Publication Date:
08/19/1969
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Assignee:
Ernst, Trier Morch
Primary Class:
128/207.140
Other Classes:
285/272, 411/436, 411/411, 285/32
International Classes:
A61M16/04; F16L37/00; A61M16/00; A62B9/04




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