Transfusion apparatus
United States Patent 2254994

Inventors:
Butland, Ralph A.
Publication Date:
09/02/1941
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Assignee:
Butland, Ralph A.
Primary Class:
604/80
Other Classes:
604/83, 222/158, 222/129, 165/11.100, 126/376.100, 604/113, 222/157, 222/146.400
International Classes:
A61M1/36