CA247112A - Bifocal lens - Google Patents
Bifocal lensInfo
- Publication number
- CA247112A CA247112A CA247112A CA247112DA CA247112A CA 247112 A CA247112 A CA 247112A CA 247112 A CA247112 A CA 247112A CA 247112D A CA247112D A CA 247112DA CA 247112 A CA247112 A CA 247112A
- Authority
- CA
- Canada
- Prior art keywords
- bifocal lens
- bifocal
- 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 |
---|---|---|---|
CA247112T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA247112A true CA247112A (en) | 1925-02-24 |
Family
ID=35154087
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA247112A Expired CA247112A (en) | Bifocal lens |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA247112A (en) |
-
0
- CA CA247112A patent/CA247112A/en not_active Expired
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