FR745548A - - Google Patents
Info
- Publication number
- FR745548A FR745548A FR745548DA FR745548A FR 745548 A FR745548 A FR 745548A FR 745548D A FR745548D A FR 745548DA FR 745548 A FR745548 A FR 745548A
- Authority
- FR
- France
- 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
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/02—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors
- G02B23/08—Periscopes
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR745548A true FR745548A (en) | 1933-05-12 |
Family
ID=1549506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR745548D Expired FR745548A (en) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR745548A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1089185B (en) * | 1958-02-18 | 1960-09-15 | Gerhard Hopp Dipl Ing Dr | Target and search optics |
| DE1106516B (en) * | 1958-02-18 | 1961-05-10 | Gerhard Hopp Dipl Ing | Combined day and night target optics |
-
0
- FR FR745548D patent/FR745548A/fr not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1089185B (en) * | 1958-02-18 | 1960-09-15 | Gerhard Hopp Dipl Ing Dr | Target and search optics |
| DE1106516B (en) * | 1958-02-18 | 1961-05-10 | Gerhard Hopp Dipl Ing | Combined day and night target optics |