Catheter for bronchospirometry
United States Patent 2175726
Inventors:
Gebauer, Paul W.
Publication Date:
10/10/1939
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Assignee:
AMERICAN ANODE INC
Primary Class:
Other Classes:
604/101.030, 604/919, 138/115
International Classes:
A61B5/097; A61M25/10; A61B5/08