CA798616A - Symmetrical projection lens - Google Patents
Symmetrical projection lensInfo
- Publication number
- CA798616A CA798616A CA798616A CA798616DA CA798616A CA 798616 A CA798616 A CA 798616A CA 798616 A CA798616 A CA 798616A CA 798616D A CA798616D A CA 798616DA CA 798616 A CA798616 A CA 798616A
- Authority
- CA
- Canada
- Prior art keywords
- projection lens
- symmetrical projection
- symmetrical
- lens
- projection
- 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 |
---|---|---|---|
CA798616T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA798616A true CA798616A (en) | 1968-11-12 |
Family
ID=36266625
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA798616A Expired CA798616A (en) | Symmetrical projection lens |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA798616A (en) |
-
0
- CA CA798616A patent/CA798616A/en not_active Expired
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