Title:
Pump apparatus
United States Patent 1552998

Inventors:
Lawrence, Menge Sidney
Publication Date:
09/08/1925
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Assignee:
Lawrence, Menge Sidney
Primary Class:
134/111
Other Classes:
141/25, 134/107, 134/168R, 222/189.110, 222/189.060, 222/626
International Classes:
F01M11/04; F02B77/04