FR1069766A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Filter, especially for tube wells
Assignee: Wilhelm Degen
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Filing: 1952-12-26
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Granted: 1954-07-13
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Expires: 1972-12-26
Abstract
No abstract record available.
Inventors
- 👤 Wilhelm Degen
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-30 15:50
CPC Classifications
E; E03; E03B; E03B3/00; E03B3/06; E03B3/08; E03B3/16; E03B3/18; E03B3/24; E03B3/26
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