Title:
Anesthetizing apparatus
United States Patent 2208633

Inventors:
Heidbrink, Jay A.
Publication Date:
07/23/1940
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Assignee:
Air, Reduction
Primary Class:
128/203.280
Other Classes:
128/203.130, 128/203.220, 417/189
International Classes:
A61M16/10; A61M16/06