CH13529A - Rechenlehrmittel - Google Patents
RechenlehrmittelInfo
- Publication number
- CH13529A CH13529A CH13529A CH13529DA CH13529A CH 13529 A CH13529 A CH 13529A CH 13529 A CH13529 A CH 13529A CH 13529D A CH13529D A CH 13529DA CH 13529 A CH13529 A CH 13529A
- Authority
- CH
- Switzerland
- Prior art keywords
- teaching aids
- arithmetic teaching
- arithmetic
- aids
- teaching
- Prior art date
Links
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH13529T | 1896-11-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH13529A true CH13529A (de) | 1897-07-15 |
Family
ID=4208466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH13529A CH13529A (de) | 1896-11-16 | 1896-11-16 | Rechenlehrmittel |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH13529A (de) |
-
1896
- 1896-11-16 CH CH13529A patent/CH13529A/de unknown
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