Pump
United States Patent 3295458
US Patent References:
/1006843.html
- - 1006843

Diaphragmed piston and cylinder construction
- - 2692618

Pump
- - 2952218

Diaphragm support
- - 2953166


Inventors:
Steffes, Adam P. G.
Publication Date:
01/03/1967
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Assignee:
Steffes, Adam P. G.
Primary Class:
92/99
Other Classes:
417/395, 92/98D, 92/97, 92/52
International Classes:
F04B9/127; F04B39/04; F04B43/00; F04B9/00