JPS53114929U - - Google Patents
Info
- Publication number
- JPS53114929U JPS53114929U JP2178277U JP2178277U JPS53114929U JP S53114929 U JPS53114929 U JP S53114929U JP 2178277 U JP2178277 U JP 2178277U JP 2178277 U JP2178277 U JP 2178277U JP S53114929 U JPS53114929 U JP S53114929U
- 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 |
|---|---|---|---|
| JP2178277U JPS5913635Y2 (ja) | 1977-02-21 | 1977-02-21 | 計算練習機 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2178277U JPS5913635Y2 (ja) | 1977-02-21 | 1977-02-21 | 計算練習機 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS53114929U true JPS53114929U (enExample) | 1978-09-12 |
| JPS5913635Y2 JPS5913635Y2 (ja) | 1984-04-23 |
Family
ID=28855305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2178277U Expired JPS5913635Y2 (ja) | 1977-02-21 | 1977-02-21 | 計算練習機 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5913635Y2 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5660962U (enExample) * | 1979-10-12 | 1981-05-23 |
-
1977
- 1977-02-21 JP JP2178277U patent/JPS5913635Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5660962U (enExample) * | 1979-10-12 | 1981-05-23 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5913635Y2 (ja) | 1984-04-23 |