Title:
Pump barrel
United States Patent 1751914

Inventors:
Greve, Edgar E.
Publication Date:
03/25/1930
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Assignee:
Greve, Edgar E.
Primary Class:
285/55
Other Classes:
138/155, 138/148, 29/888.061, 285/922, 285/390
International Classes:
F04B53/16; F04B53/00