JPS507446B1 - - Google Patents
Info
- Publication number
- JPS507446B1 JPS507446B1 JP43091266A JP9126668A JPS507446B1 JP S507446 B1 JPS507446 B1 JP S507446B1 JP 43091266 A JP43091266 A JP 43091266A JP 9126668 A JP9126668 A JP 9126668A JP S507446 B1 JPS507446 B1 JP S507446B1
- 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 |
|---|---|---|---|
| JP43091266A JPS507446B1 (de) | 1968-12-09 | 1968-12-09 | |
| 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 |
|---|---|---|---|
| JP43091266A JPS507446B1 (de) | 1968-12-09 | 1968-12-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS507446B1 true JPS507446B1 (de) | 1975-03-26 |
Family
ID=14021607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP43091266A Pending JPS507446B1 (de) | 1968-12-06 | 1968-12-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS507446B1 (de) |
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1968
- 1968-12-09 JP JP43091266A patent/JPS507446B1/ja active Pending