JPS4870447A - - Google Patents
Info
- Publication number
- JPS4870447A JPS4870447A JP47000663A JP66372A JPS4870447A JP S4870447 A JPS4870447 A JP S4870447A JP 47000663 A JP47000663 A JP 47000663A JP 66372 A JP66372 A JP 66372A JP S4870447 A JPS4870447 A JP S4870447A
- 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)
- Calculators And Similar Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP72663A JPS5223709B2 (en:Method) | 1971-12-23 | 1971-12-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP72663A JPS5223709B2 (en:Method) | 1971-12-23 | 1971-12-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4870447A true JPS4870447A (en:Method) | 1973-09-25 |
| JPS5223709B2 JPS5223709B2 (en:Method) | 1977-06-25 |
Family
ID=11479951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP72663A Expired JPS5223709B2 (en:Method) | 1971-12-23 | 1971-12-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5223709B2 (en:Method) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4933A (en:Method) * | 1972-04-17 | 1974-01-05 | ||
| JPS5048531U (en:Method) * | 1973-08-30 | 1975-05-13 |
-
1971
- 1971-12-23 JP JP72663A patent/JPS5223709B2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4933A (en:Method) * | 1972-04-17 | 1974-01-05 | ||
| JPS5048531U (en:Method) * | 1973-08-30 | 1975-05-13 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5223709B2 (en:Method) | 1977-06-25 |