FR622035A
Expired / Lapsed
FR
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Method and arrangements for improving the efficiency of piezoelectric ultrasonic projectors
Assignee: Paul Langevin
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Filing: 1926-01-27
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Granted: 1927-05-21
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Expires: 1946-01-27
Abstract
No abstract record available.
Inventors
- 👤 Paul Langevin
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 15:54
CPC Classifications
G; G10; G10K; G10K11/00; G10K11/18; G10K11/26; G10K11/34; G10K11/341; G10K11/348
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