IT454671A - - Google Patents
Info
- Publication number
- IT454671A IT454671A IT454671DA IT454671A IT 454671 A IT454671 A IT 454671A IT 454671D A IT454671D A IT 454671DA IT 454671 A IT454671 A IT 454671A
- Authority
- IT
- Italy
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/02—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1010093T | 1948-01-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT454671A true IT454671A (xx) |
Family
ID=9568748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT454671D IT454671A (xx) | 1948-01-10 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR1010093A (xx) |
| IT (1) | IT454671A (xx) |
-
0
- IT IT454671D patent/IT454671A/it unknown
-
1948
- 1948-01-10 FR FR1010093D patent/FR1010093A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1010093A (fr) | 1952-06-06 |