JPS5421130B2 - - Google Patents
Info
- Publication number
- JPS5421130B2 JPS5421130B2 JP1869675A JP1869675A JPS5421130B2 JP S5421130 B2 JPS5421130 B2 JP S5421130B2 JP 1869675 A JP1869675 A JP 1869675A JP 1869675 A JP1869675 A JP 1869675A JP S5421130 B2 JPS5421130 B2 JP S5421130B2
- Authority
- JP
- Japan
- 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
Landscapes
- Electrically Operated Instructional Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1869675A JPS5421130B2 (en) | 1975-02-14 | 1975-02-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1869675A JPS5421130B2 (en) | 1975-02-14 | 1975-02-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5194326A JPS5194326A (en) | 1976-08-18 |
| JPS5421130B2 true JPS5421130B2 (en) | 1979-07-27 |
Family
ID=11978780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1869675A Expired JPS5421130B2 (en) | 1975-02-14 | 1975-02-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5421130B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2210722B (en) * | 1987-10-08 | 1992-03-25 | Video Technology Electronics L | Electronic instructional apparatus |
| JPH01298388A (en) * | 1988-05-27 | 1989-12-01 | Sanmaaku:Kk | Voice learning device |
-
1975
- 1975-02-14 JP JP1869675A patent/JPS5421130B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5194326A (en) | 1976-08-18 |