FR2152496A1 - - Google Patents
Info
- Publication number
- FR2152496A1 FR2152496A1 FR7134163A FR7134163A FR2152496A1 FR 2152496 A1 FR2152496 A1 FR 2152496A1 FR 7134163 A FR7134163 A FR 7134163A FR 7134163 A FR7134163 A FR 7134163A FR 2152496 A1 FR2152496 A1 FR 2152496A1
- Authority
- FR
- France
- 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.)
- Withdrawn
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
- G09B5/04—Electrically-operated educational appliances with audible presentation of the material to be studied
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7134163A FR2152496A1 (https=) | 1971-09-16 | 1971-09-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7134163A FR2152496A1 (https=) | 1971-09-16 | 1971-09-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2152496A1 true FR2152496A1 (https=) | 1973-04-27 |
Family
ID=9083329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7134163A Withdrawn FR2152496A1 (https=) | 1971-09-16 | 1971-09-16 |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2152496A1 (https=) |
-
1971
- 1971-09-16 FR FR7134163A patent/FR2152496A1/fr not_active Withdrawn
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |