CA366855A - Crayon a mines interchangeables - Google Patents
Crayon a mines interchangeablesInfo
- Publication number
- CA366855A CA366855A CA366855A CA366855DA CA366855A CA 366855 A CA366855 A CA 366855A CA 366855 A CA366855 A CA 366855A CA 366855D A CA366855D A CA 366855DA CA 366855 A CA366855 A CA 366855A
- Authority
- CA
- Canada
- Prior art keywords
- lead pencil
- interchangeable lead
- interchangeable
- pencil
- lead
- 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 |
---|---|---|---|
CA366855T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA366855A true CA366855A (fr) | 1937-06-15 |
Family
ID=35367924
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA366855A Expired CA366855A (fr) | Crayon a mines interchangeables |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA366855A (fr) |
-
0
- CA CA366855A patent/CA366855A/fr not_active Expired
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