DE116783C - - Google Patents
Info
- Publication number
- DE116783C DE116783C DENDAT116783D DE116783DA DE116783C DE 116783 C DE116783 C DE 116783C DE NDAT116783 D DENDAT116783 D DE NDAT116783D DE 116783D A DE116783D A DE 116783DA DE 116783 C DE116783 C DE 116783C
- Authority
- DE
- Germany
- Prior art keywords
- child
- behind
- grate
- counting
- bars
- 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
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)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE116783C true DE116783C (cs) |
Family
ID=386103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT116783D Active DE116783C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE116783C (cs) |
-
0
- DE DENDAT116783D patent/DE116783C/de active Active
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