CH92597A - Lehrmittel für den elementaren Rechenunterricht. - Google Patents
Lehrmittel für den elementaren Rechenunterricht.Info
- Publication number
- CH92597A CH92597A CH92597DA CH92597A CH 92597 A CH92597 A CH 92597A CH 92597D A CH92597D A CH 92597DA CH 92597 A CH92597 A CH 92597A
- Authority
- CH
- Switzerland
- Prior art keywords
- lessons
- teaching aids
- elementary arithmetic
- elementary
- arithmetic
- 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)
- Metal Rolling (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH90496T | 1921-07-23 | ||
| CH92597T | 1921-07-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH92597A true CH92597A (de) | 1922-01-16 |
Family
ID=25704190
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH90496D CH90496A (de) | 1921-07-23 | 1921-01-07 | Lehrmittel für den elementaren Rechenunterricht. |
| CH92597D CH92597A (de) | 1921-07-23 | 1921-07-23 | Lehrmittel für den elementaren Rechenunterricht. |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH90496D CH90496A (de) | 1921-07-23 | 1921-01-07 | Lehrmittel für den elementaren Rechenunterricht. |
Country Status (1)
| Country | Link |
|---|---|
| CH (2) | CH90496A (de) |
-
1921
- 1921-01-07 CH CH90496D patent/CH90496A/de unknown
- 1921-07-23 CH CH92597D patent/CH92597A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH90496A (de) | 1921-09-01 |
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