VACUUM BLOOD DRAWING DEVICE
United States Patent 3491748

Inventors:
Pate, Albert F.
Publication Date:
01/27/1970
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Assignee:
Albert, Pate F.
Primary Class:
600/579
Other Classes:
604/250, 251/4
International Classes:
A61B5/15; A61M5/32; A61M1/00




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