BE679567A - - Google Patents
Info
- Publication number
- BE679567A BE679567A BE679567DA BE679567A BE 679567 A BE679567 A BE 679567A BE 679567D A BE679567D A BE 679567DA BE 679567 A BE679567 A BE 679567A
- Authority
- BE
- Belgium
- Prior art keywords
- desc
- page number
- clms page
- clms
- attention
- Prior art date
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
- G09B19/00—Teaching not covered by other main groups of this subclass
- G09B19/02—Counting; Calculating
Landscapes
- Business, Economics & Management (AREA)
- Engineering & Computer Science (AREA)
- Entrepreneurship & Innovation (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Developing Agents For Electrophotography (AREA)
- Photoreceptors In Electrophotography (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE679567 | 1966-04-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE679567A true BE679567A (forum.php) | 1966-09-16 |
Family
ID=3848522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE679567D BE679567A (forum.php) | 1966-04-15 | 1966-04-15 |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE679567A (forum.php) |
-
1966
- 1966-04-15 BE BE679567D patent/BE679567A/fr unknown