CA773829A - Viewing device - Google Patents
Viewing deviceInfo
- Publication number
- CA773829A CA773829A CA773829A CA773829DA CA773829A CA 773829 A CA773829 A CA 773829A CA 773829 A CA773829 A CA 773829A CA 773829D A CA773829D A CA 773829DA CA 773829 A CA773829 A CA 773829A
- Authority
- CA
- Canada
- Prior art keywords
- viewing device
- viewing
- 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 |
---|---|---|---|
CA773829T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA773829A true CA773829A (en) | 1967-12-19 |
Family
ID=36221112
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA773829A Expired CA773829A (en) | Viewing device |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA773829A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4142800A (en) * | 1975-12-18 | 1979-03-06 | Essilor International (Compagnie Generale d'Optique), a French Societe Anonyme | Automatic level |
US5764417A (en) * | 1993-06-11 | 1998-06-09 | Sextant Avionique | Compact optical device for night vision and its application to goggles |
-
0
- CA CA773829A patent/CA773829A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4142800A (en) * | 1975-12-18 | 1979-03-06 | Essilor International (Compagnie Generale d'Optique), a French Societe Anonyme | Automatic level |
US5764417A (en) * | 1993-06-11 | 1998-06-09 | Sextant Avionique | Compact optical device for night vision and its application to goggles |
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