DE2055185B2 - - Google Patents
Info
- Publication number
- DE2055185B2 DE2055185B2 DE19702055185 DE2055185A DE2055185B2 DE 2055185 B2 DE2055185 B2 DE 2055185B2 DE 19702055185 DE19702055185 DE 19702055185 DE 2055185 A DE2055185 A DE 2055185A DE 2055185 B2 DE2055185 B2 DE 2055185B2
- Authority
- DE
- Germany
- 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
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
Landscapes
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Electrically Operated Instructional Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702055185 DE2055185A1 (de) | 1970-11-10 | 1970-11-10 | Anzeigeeinheit für Lehrsysteme |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702055185 DE2055185A1 (de) | 1970-11-10 | 1970-11-10 | Anzeigeeinheit für Lehrsysteme |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2055185A1 DE2055185A1 (de) | 1972-05-18 |
| DE2055185B2 true DE2055185B2 (enExample) | 1974-05-30 |
| DE2055185C3 DE2055185C3 (enExample) | 1975-01-02 |
Family
ID=5787655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19702055185 Granted DE2055185A1 (de) | 1970-11-10 | 1970-11-10 | Anzeigeeinheit für Lehrsysteme |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE2055185A1 (enExample) |
-
1970
- 1970-11-10 DE DE19702055185 patent/DE2055185A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2055185C3 (enExample) | 1975-01-02 |
| DE2055185A1 (de) | 1972-05-18 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 | ||
| EHJ | Ceased/non-payment of the annual fee |