BE688144A - - Google Patents
Info
- Publication number
- BE688144A BE688144A BE688144DA BE688144A BE 688144 A BE688144 A BE 688144A BE 688144D A BE688144D A BE 688144DA BE 688144 A BE688144 A BE 688144A
- Authority
- BE
- Belgium
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE688144 | 1966-10-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE688144A true BE688144A (xx) | 1967-04-12 |
Family
ID=3849510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE688144D BE688144A (xx) | 1966-10-12 | 1966-10-12 |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE688144A (xx) |
-
1966
- 1966-10-12 BE BE688144D patent/BE688144A/xx unknown