CA20443A - Ardoise d'ecole - Google Patents
Ardoise d'ecoleInfo
- Publication number
- CA20443A CA20443A CA000020443A CA20443DA CA20443A CA 20443 A CA20443 A CA 20443A CA 000020443 A CA000020443 A CA 000020443A CA 20443D A CA20443D A CA 20443DA CA 20443 A CA20443 A CA 20443A
- Authority
- CA
- Canada
- Prior art keywords
- slate
- school
- school slate
- 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.)
- Expired
Links
- 239000010454 slate Substances 0.000 title 1
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA20443T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA20443A true CA20443A (fr) | 1884-10-29 |
Family
ID=45136986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000020443A Expired CA20443A (fr) | Ardoise d'ecole |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA20443A (fr) |
-
0
- CA CA000020443A patent/CA20443A/fr not_active Expired
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