BE333211A - - Google Patents
Info
- Publication number
- BE333211A BE333211A BE333211DA BE333211A BE 333211 A BE333211 A BE 333211A BE 333211D A BE333211D A BE 333211DA BE 333211 A BE333211 A BE 333211A
- Authority
- BE
- Belgium
- Prior art keywords
- desc
- page number
- clms page
- clms
- page
- Prior art date
Links
Classifications
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- 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
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
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)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
- Photoreceptors In Electrophotography (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE333211A true BE333211A (de) |
Family
ID=12013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE333211D BE333211A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE333211A (de) |
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0
- BE BE333211D patent/BE333211A/fr unknown