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FR966444A
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Teaching grid applicable to various instruments using harmonies
Assignee: Robert-Pierre Duclaye
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Filing: 1948-03-31
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Granted: 1950-10-10
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Expires: 1968-03-31
Abstract
No abstract record available.
Inventors
- 👤 Robert-Pierre Duclaye
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-09 16:05
CPC Classifications
G; G10; G10G; G10G1/00; G10G1/02
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Total Claims: 0
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