CA320331A - Optical trial frame - Google Patents
Optical trial frameInfo
- Publication number
- CA320331A CA320331A CA320331A CA320331DA CA320331A CA 320331 A CA320331 A CA 320331A CA 320331 A CA320331 A CA 320331A CA 320331D A CA320331D A CA 320331DA CA 320331 A CA320331 A CA 320331A
- Authority
- CA
- Canada
- Prior art keywords
- trial frame
- optical trial
- optical
- frame
- trial
- 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
- 230000003287 optical effect Effects 0.000 title 1
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA320331T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA320331A true CA320331A (en) | 1932-03-08 |
Family
ID=35280885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA320331A Expired CA320331A (en) | Optical trial frame |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA320331A (en) |
-
0
- CA CA320331A patent/CA320331A/en not_active Expired
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