FR853166A
Expired / Lapsed
FR
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Variable flow screw pump
Assignee: Joseph Zerr
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Filing: 1939-04-17
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Granted: 1940-03-12
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Expires: 1959-04-17
Abstract
No abstract record available.
Inventors
- 👤 Joseph Zerr
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 10:17
CPC Classifications
F; F04; F04C; F04C14/00; F04C14/10; F04C14/12; F04C2/00; F04C2/08; F04C2/12; F04C2/14; F04C2/16
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References Cited (Backward Citations)
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