In-line centrifugal pump with fabricated volutes
United States Patent 2612843

Inventors:
Gruetjen, Frederick A.
Publication Date:
10/07/1952
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Assignee:
SMITH CORP A O
Primary Class:
Other Classes:
417/424.100, 415/207, 222/385, 415/196, 222/384
International Classes:
F04D13/06; F04D29/44