CA203380A - Lentille et projecteur - Google Patents
Lentille et projecteurInfo
- Publication number
- CA203380A CA203380A CA203380A CA203380DA CA203380A CA 203380 A CA203380 A CA 203380A CA 203380 A CA203380 A CA 203380A CA 203380D A CA203380D A CA 203380DA CA 203380 A CA203380 A CA 203380A
- Authority
- CA
- Canada
- Prior art keywords
- projector
- condensing lens
- condensing
- 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 |
|---|---|---|---|
| CA203380T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA203380A true CA203380A (fr) | 1920-08-24 |
Family
ID=35077816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA203380A Expired CA203380A (fr) | Lentille et projecteur |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA203380A (fr) |
-
0
- CA CA203380A patent/CA203380A/fr not_active Expired
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