FR522769A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Further training in centrifugal fans and compressors
Assignee: ETIENNE JOSEPH LOUIS DELSOL
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Filing: 1920-08-21
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Granted: 1921-08-06
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Expires: 1940-08-21
Abstract
No abstract record available.
Inventors
- 👤 Etienne-Joseph-Louis Delsol
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-04 19:30
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/40; F04D29/42; F04D29/44; F04D29/441
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