Patent DE899582C successfully refreshed from Google Patents.
DE899582C
Expired / Lapsed
DE
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Teaching aids for music lessons
Assignee: PAUL SICK
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Filing: 1943-04-16
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Granted: 1953-12-14
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Expires: 1963-04-16
Abstract
No abstract record available.
Inventors
- 👤 Paul Sick
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-09 12:31
CPC Classifications
G; G09; G09B; G09B15/00; G10; G10G; G10G1/00; G10G1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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