FR849531A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Piezoelectric transducer
Assignee: Industrie Magneti Marelli SRL
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Filing: 1939-01-26
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Granted: 1939-11-25
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Expires: 1959-01-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 17:57
CPC Classifications
H; H04; H04R; H04R17/00; H04R17/04
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