Pump liner
United States Patent 1730905

Inventors:
Idris, Thomas
Kinney, Martin L.
Publication Date:
10/08/1929
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Assignee:
Idris, Thomas
Kinney, Martin L.
Primary Class:
92/171.100
Other Classes:
123/41.830, 285/348, 29/888.061
International Classes:
F04B53/16; F04B53/00