JPS4855020A - - Google Patents
Info
- Publication number
- JPS4855020A JPS4855020A JP9068471A JP9068471A JPS4855020A JP S4855020 A JPS4855020 A JP S4855020A JP 9068471 A JP9068471 A JP 9068471A JP 9068471 A JP9068471 A JP 9068471A JP S4855020 A JPS4855020 A JP S4855020A
- 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.)
- Granted
Links
Landscapes
- Electrically Operated Instructional Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9068471A JPS5426931B2 (enExample) | 1971-11-15 | 1971-11-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9068471A JPS5426931B2 (enExample) | 1971-11-15 | 1971-11-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4855020A true JPS4855020A (enExample) | 1973-08-02 |
| JPS5426931B2 JPS5426931B2 (enExample) | 1979-09-06 |
Family
ID=14005346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9068471A Expired JPS5426931B2 (enExample) | 1971-11-15 | 1971-11-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5426931B2 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5192218A (enExample) * | 1975-02-10 | 1976-08-12 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2835052A (en) * | 1955-12-22 | 1958-05-20 | Walter L Raich | Question and answer game |
| US3100942A (en) * | 1960-06-27 | 1963-08-20 | Hamilton Res Associates Inc | Teaching machine |
| GB1229214A (enExample) * | 1967-05-19 | 1971-04-21 |
-
1971
- 1971-11-15 JP JP9068471A patent/JPS5426931B2/ja not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2835052A (en) * | 1955-12-22 | 1958-05-20 | Walter L Raich | Question and answer game |
| US3100942A (en) * | 1960-06-27 | 1963-08-20 | Hamilton Res Associates Inc | Teaching machine |
| GB1229214A (enExample) * | 1967-05-19 | 1971-04-21 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5192218A (enExample) * | 1975-02-10 | 1976-08-12 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5426931B2 (enExample) | 1979-09-06 |