JPS5414031Y2 - - Google Patents
Info
- Publication number
- JPS5414031Y2 JPS5414031Y2 JP1975083636U JP8363675U JPS5414031Y2 JP S5414031 Y2 JPS5414031 Y2 JP S5414031Y2 JP 1975083636 U JP1975083636 U JP 1975083636U JP 8363675 U JP8363675 U JP 8363675U JP S5414031 Y2 JPS5414031 Y2 JP S5414031Y2
- 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 |
|---|---|---|---|
| JP1975083636U JPS5414031Y2 (en:Method) | 1975-06-20 | 1975-06-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1975083636U JPS5414031Y2 (en:Method) | 1975-06-20 | 1975-06-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5247U JPS5247U (en:Method) | 1977-01-05 |
| JPS5414031Y2 true JPS5414031Y2 (en:Method) | 1979-06-12 |
Family
ID=28565159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1975083636U Expired JPS5414031Y2 (en:Method) | 1975-06-20 | 1975-06-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5414031Y2 (en:Method) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2720038A (en) * | 1952-09-15 | 1955-10-11 | Lewis H Clark | Toy |
| US3100352A (en) * | 1960-09-27 | 1963-08-13 | Astra Corp | Educational device |
-
1975
- 1975-06-20 JP JP1975083636U patent/JPS5414031Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5247U (en:Method) | 1977-01-05 |