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FR818696A Expired / Lapsed FR ⏱️ 0.0 years remaining

Device and method for beam-concentrating ultra-short electromagnetic waves

Assignee: Julius Pintsch AG
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Filing: 1937-03-03
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Granted: 1937-10-01
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Expires: 1957-03-03
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-02 09:30
CPC Classifications
H; H01; H01Q; H01Q13/00; H01Q13/10; H01Q13/02; H01Q13/12; H01Q19/00; H01Q19/10; H01Q19/12; H01Q19/13; H01Q21/00; H01Q21/0006; H01Q21/0037; H01Q21/0043

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