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FR993641A
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FR
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Pumping devices for deep wells
Assignee: Otto Kriegbaum
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Filing: 1949-08-22
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Granted: 1951-11-05
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Expires: 1969-08-22
Abstract
No abstract record available.
Inventors
- 👤 Otto Kriegbaum
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-08 22:27
CPC Classifications
F; F04; F04D; F04D13/00; F04D13/02; F04D13/06; F04D13/08; F04D13/10; F04D13/04
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