DE81031C - - Google Patents
Info
- Publication number
- DE81031C DE81031C DENDAT81031D DE81031DA DE81031C DE 81031 C DE81031 C DE 81031C DE NDAT81031 D DENDAT81031 D DE NDAT81031D DE 81031D A DE81031D A DE 81031DA DE 81031 C DE81031 C DE 81031C
- Authority
- DE
- Germany
- Prior art keywords
- pen
- letters
- chopsticks
- writing
- carriage
- Prior art date
- 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.)
- Active
Links
- 238000005452 bending Methods 0.000 claims description 2
- 208000001491 myopia Diseases 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 239000010454 slate Substances 0.000 description 1
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
- G09B21/00—Teaching, or communicating with, the blind, deaf or mute
- G09B21/001—Teaching or communicating with blind persons
- G09B21/002—Writing aids for blind persons
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Drawing Aids And Blackboards (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE81031C true DE81031C (forum.php) |
Family
ID=353540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT81031D Active DE81031C (forum.php) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE81031C (forum.php) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2697469A1 (fr) * | 1992-11-04 | 1994-05-06 | Novitzky Vasily | Pupitre-écritoire pour non voyant. |
-
0
- DE DENDAT81031D patent/DE81031C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2697469A1 (fr) * | 1992-11-04 | 1994-05-06 | Novitzky Vasily | Pupitre-écritoire pour non voyant. |
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