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FR527205A Expired / Lapsed FR ⏱️ 0.0 years remaining

Aircraft wing with variable hollow and backbone

Assignee: ADOLPHE ETIENNE LACHASSAGNE
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Filing: 1920-11-13
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Granted: 1921-10-22
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Expires: 1940-11-13
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Abstract

No abstract record available.

Inventors

  • 👤 Adolphe-Etienne Lachassagne

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-28 08:04
CPC Classifications
B; B64; B64C; B64C3/00; B64C3/38; B64C3/44; B64C3/48

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