FR42562E
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Method of receiving echoes and aerial or underwater sounding apparatus for its application
Assignee: Louis-Auguste-Marie Laboureur
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Filing: 1932-04-15
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Granted: 1933-08-23
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Expires: 1952-04-15
Abstract
No abstract record available.
Inventors
- 👤 Louis-Auguste-Marie Laboureur
- 👤 Raymond Dubois
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-30 22:08
CPC Classifications
G; G10; G10K; G10K7/00; G10K7/02; G10K7/04
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