CA178500A - Arithmetical educational apparatus - Google Patents
Arithmetical educational apparatusInfo
- Publication number
- CA178500A CA178500A CA000178500A CA178500DA CA178500A CA 178500 A CA178500 A CA 178500A CA 000178500 A CA000178500 A CA 000178500A CA 178500D A CA178500D A CA 178500DA CA 178500 A CA178500 A CA 178500A
- Authority
- CA
- Canada
- Prior art keywords
- arithmetical
- educational apparatus
- educational
- arithmetical educational
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA178500T | 1917-03-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA178500A true CA178500A (en) | 1917-07-31 |
Family
ID=45298153
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000178500A Expired CA178500A (en) | 1917-03-08 | 1917-03-08 | Arithmetical educational apparatus |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA178500A (en) |
-
1917
- 1917-03-08 CA CA000178500A patent/CA178500A/en not_active Expired
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