Title:
OXYGEN BREATHING APPARATUS
United States Patent 3505997
Inventors:
Cowley, John James
Publication Date:
04/14/1970
Export Citation:
Assignee:
Abbott, Lab
Primary Class:
Other Classes:
128/206.28, 222/146.1, 222/541.6
International Classes:
A62B7/02; A62B7/00; (IPC1-7): A62B7/02; A61H31/00
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