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FR450378A Expired / Lapsed FR ⏱️ 0.0 years remaining

Improvements to the escape mechanism of pianos

Assignee: GUSTAVE-FRANTZ LYON
•
Filing: 1912-11-09
•
Granted: 1913-03-22
•
Expires: 1932-11-09
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Abstract

No abstract record available.

Inventors

  • 👤 Gustave-Frantz Lyon

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-02 05:03
CPC Classifications
G; G10; G10C; G10C3/00; G10C3/16; G10C3/24

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