FR852150A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements in devices used for the transformation of mechanical or electrical oscillations, in particular for the reception and emission of ultrasonic waves
Assignee: Thales SA
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Filing: 1939-03-27
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Granted: 1940-01-24
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Expires: 1959-03-27
Abstract
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Inventors
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 05:35
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/04; B06B1/045; G; G01; G01S; G01S1/00; G01S1/72
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