Patent FR515457A successfully refreshed from Google Patents.
FR515457A
Expired / Lapsed
FR
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Electric air heater
Assignee: Rheinmetall Air Defence AG
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Filing: 1920-05-12
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Granted: 1921-04-02
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Expires: 1940-05-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-09 09:18
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/02; H05B6/10; H05B6/105; H05B6/108
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