DE335309C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
High-frequency variometer with movable iron core
Assignee: Telefunken AG
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Filing: 1917-03-23
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Granted: 1921-03-30
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Expires: 1937-03-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-26 23:07
CPC Classifications
H; H01; H01F; H01F21/00; H01F21/02; H01F21/06
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References Cited (Backward Citations)
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