GR3164B - Αριθμητηριον προς χρησιν των μαθητων των δημοτικων σχολειων. - Google Patents
Αριθμητηριον προς χρησιν των μαθητων των δημοτικων σχολειων.Info
- Publication number
- GR3164B GR3164B GR310103164A GR310103164A GR3164B GR 3164 B GR3164 B GR 3164B GR 310103164 A GR310103164 A GR 310103164A GR 310103164 A GR310103164 A GR 310103164A GR 3164 B GR3164 B GR 3164B
- Authority
- GR
- Greece
- Prior art keywords
- calculation
- primary school
- school students
- students
- primary
- Prior art date
Links
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GR310103164A GR3164B (el) | 1931-04-08 | 1931-04-08 | Αριθμητηριον προς χρησιν των μαθητων των δημοτικων σχολειων. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GR310103164A GR3164B (el) | 1931-04-08 | 1931-04-08 | Αριθμητηριον προς χρησιν των μαθητων των δημοτικων σχολειων. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GR3164B true GR3164B (el) | 1931-04-16 |
Family
ID=36825450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GR310103164A GR3164B (el) | 1931-04-08 | 1931-04-08 | Αριθμητηριον προς χρησιν των μαθητων των δημοτικων σχολειων. |
Country Status (1)
| Country | Link |
|---|---|
| GR (1) | GR3164B (el) |
-
1931
- 1931-04-08 GR GR310103164A patent/GR3164B/el unknown
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