JPS5438998Y2 - - Google Patents
Info
- Publication number
- JPS5438998Y2 JPS5438998Y2 JP1975180099U JP18009975U JPS5438998Y2 JP S5438998 Y2 JPS5438998 Y2 JP S5438998Y2 JP 1975180099 U JP1975180099 U JP 1975180099U JP 18009975 U JP18009975 U JP 18009975U JP S5438998 Y2 JPS5438998 Y2 JP S5438998Y2
- 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 |
|---|---|---|---|
| JP1975180099U JPS5438998Y2 (en:Method) | 1975-12-29 | 1975-12-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1975180099U JPS5438998Y2 (en:Method) | 1975-12-29 | 1975-12-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5292843U JPS5292843U (en:Method) | 1977-07-11 |
| JPS5438998Y2 true JPS5438998Y2 (en:Method) | 1979-11-19 |
Family
ID=28658319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1975180099U Expired JPS5438998Y2 (en:Method) | 1975-12-29 | 1975-12-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5438998Y2 (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH064366Y2 (ja) * | 1985-07-23 | 1994-02-02 | ソニー株式会社 | 学習装置 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4855946A (en:Method) * | 1971-11-16 | 1973-08-06 |
-
1975
- 1975-12-29 JP JP1975180099U patent/JPS5438998Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5292843U (en:Method) | 1977-07-11 |