CA478677A - Visual instruction devices - Google Patents
Visual instruction devicesInfo
- Publication number
- CA478677A CA478677A CA478677A CA478677DA CA478677A CA 478677 A CA478677 A CA 478677A CA 478677 A CA478677 A CA 478677A CA 478677D A CA478677D A CA 478677DA CA 478677 A CA478677 A CA 478677A
- Authority
- CA
- Canada
- Prior art keywords
- visual instruction
- instruction devices
- devices
- visual
- instruction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA478677T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA478677A true CA478677A (en) | 1951-11-20 |
Family
ID=35618336
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA478677A Expired CA478677A (en) | Visual instruction devices |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA478677A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6709273B2 (en) | 1999-10-15 | 2004-03-23 | Jeffrey Stark | Electronic keyboard instructor |
-
0
- CA CA478677A patent/CA478677A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6709273B2 (en) | 1999-10-15 | 2004-03-23 | Jeffrey Stark | Electronic keyboard instructor |
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