JPS4914257B1 - - Google Patents
Info
- Publication number
- JPS4914257B1 JPS4914257B1 JP43092151A JP9215168A JPS4914257B1 JP S4914257 B1 JPS4914257 B1 JP S4914257B1 JP 43092151 A JP43092151 A JP 43092151A JP 9215168 A JP9215168 A JP 9215168A JP S4914257 B1 JPS4914257 B1 JP S4914257B1
- 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.)
- Pending
Links
Landscapes
- Electrically Operated Instructional Devices (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP43092151A JPS4914257B1 (de) | 1968-12-10 | 1968-12-10 | |
| US881766A US3641507A (en) | 1968-12-06 | 1969-12-03 | Electronic teaching apparatus |
| DE1961905A DE1961905C3 (de) | 1968-12-06 | 1969-12-05 | Magnettonband-Lehranlage |
| CA069090A CA922507A (en) | 1968-12-06 | 1969-12-05 | Electronic teaching apparatus |
| FR6942127A FR2025547A1 (de) | 1968-12-06 | 1969-12-05 | |
| NL6918317A NL6918317A (de) | 1968-12-06 | 1969-12-05 | |
| GB59894/69A GB1298562A (en) | 1968-12-06 | 1969-12-08 | Improvements in and relating to recording and playback apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP43092151A JPS4914257B1 (de) | 1968-12-10 | 1968-12-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4914257B1 true JPS4914257B1 (de) | 1974-04-06 |
Family
ID=14046409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP43092151A Pending JPS4914257B1 (de) | 1968-12-06 | 1968-12-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4914257B1 (de) |
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1968
- 1968-12-10 JP JP43092151A patent/JPS4914257B1/ja active Pending