FR418923A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Device for teaching the piano
Assignee: Individual
•
Filing: 1910-06-30
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Granted: 1910-12-22
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Expires: 1930-06-30
Abstract
No abstract record available.
Inventors
- 👤 Sophie Colin
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-28 23:24
CPC Classifications
G; G10; G10G; G10G1/00; G10G1/02
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References Cited (Backward Citations)
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