CA343541A - Bifocal lens - Google Patents
Bifocal lensInfo
- Publication number
- CA343541A CA343541A CA343541A CA343541DA CA343541A CA 343541 A CA343541 A CA 343541A CA 343541 A CA343541 A CA 343541A CA 343541D A CA343541D A CA 343541DA CA 343541 A CA343541 A CA 343541A
- 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 |
|---|---|---|---|
| CA343541T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA343541A true CA343541A (en) | 1934-07-31 |
Family
ID=35314814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA343541A Expired CA343541A (en) | Bifocal lens |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA343541A (en) |
-
0
- CA CA343541A patent/CA343541A/en not_active Expired
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