CA190473A - Lens - Google Patents
LensInfo
- Publication number
- CA190473A CA190473A CA000190473A CA190473DA CA190473A CA 190473 A CA190473 A CA 190473A CA 000190473 A CA000190473 A CA 000190473A CA 190473D A CA190473D A CA 190473DA CA 190473 A CA190473 A CA 190473A
- Authority
- CA
- Canada
- Prior art keywords
- lens
- 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 |
---|---|---|---|
CA190473T | 1918-08-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA190473A true CA190473A (en) | 1919-05-20 |
Family
ID=45310124
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000190473A Expired CA190473A (en) | 1918-08-01 | 1918-08-01 | Lens |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA190473A (en) |
-
1918
- 1918-08-01 CA CA000190473A patent/CA190473A/en not_active Expired
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