| http://www.w3.org/ns/prov#value | - Calif., a corporation of California Application September 8, 1941, Serial No. 409,944 14 Claims. (01. 128-214) This invention relates in general to a device for use in making blood transfusions and more particularly to a device for making the required connection between the donor of the blood and. the flask in which the blood is received, for enabling the flow of blood to be controlled, and for pe
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