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US Patent: 3,482,521
Hydraulic Pump with Variable Chamber
Patentee:
Marvin L. Wolf (exact or similar names) - Loveland, Hamilton County, OH

USPTO Classifications:
417/269, 417/274, 91/503

Tool Categories:
industrial machines : pumps : hydraulic pumps

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: May 23, 1968
Granted: Dec. 09, 1969

Patent Pictures:
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