TUBULAR DIAPHRAGM PUMP
United States Patent 3551076
Inventors:
Wilson, Lawrence F.
Publication Date:
12/29/1970
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Assignee:
INTERPACE CORP
Primary Class:
Other Classes:
92/98R, 417/478, 92/90
International Classes:
F04B43/067; F04B43/08; F04B43/107; F04B43/00; F04B43/06; F04B9/10