LU31233A1 - - Google Patents
Info
- Publication number
- LU31233A1 LU31233A1 LU31233DA LU31233A1 LU 31233 A1 LU31233 A1 LU 31233A1 LU 31233D A LU31233D A LU 31233DA LU 31233 A1 LU31233 A1 LU 31233A1
- Authority
- LU
- Luxembourg
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H3/00—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons
- E04H3/08—Hospitals, infirmaries, or the like; Schools; Prisons
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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
- G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Civil Engineering (AREA)
- Structural Engineering (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 |
|---|---|---|---|
| LU31233 | 1952-02-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU31233A1 true LU31233A1 (xx) | 1952-04-09 |
Family
ID=19722264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU31233D LU31233A1 (xx) | 1952-02-06 | 1952-02-06 |
Country Status (1)
| Country | Link |
|---|---|
| LU (1) | LU31233A1 (xx) |
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1952
- 1952-02-06 LU LU31233D patent/LU31233A1/xx unknown