LU65177A1 - - Google Patents
Info
- Publication number
- LU65177A1 LU65177A1 LU65177DA LU65177A1 LU 65177 A1 LU65177 A1 LU 65177A1 LU 65177D A LU65177D A LU 65177DA LU 65177 A1 LU65177 A1 LU 65177A1
- Authority
- LU
- Luxembourg
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU65177 | 1972-04-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU65177A1 true LU65177A1 (index.php) | 1972-07-13 |
Family
ID=19727022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU65177D LU65177A1 (index.php) | 1972-04-17 | 1972-04-17 |
Country Status (1)
| Country | Link |
|---|---|
| LU (1) | LU65177A1 (index.php) |
-
1972
- 1972-04-17 LU LU65177D patent/LU65177A1/xx unknown