United States Patent 2899905
US Patent References:
/0819690.html
- - 0819690

Blood transfusion machine
- - 2102523

Pump
- - 2231579

Pump
- - 2414355

Tractor driven high-pressure pump
- - 2672097


Publication Date:
08/18/1959
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Primary Class:
417/475
Other Classes:
417/477.120, 417/477.600, 417/476, 251/6
International Classes:
F04B43/00; F04B43/12
US Patent References:
2679807Pumping device
2739537Motor driven pump
Foreign References:
FR107761A