FR649000A - - Google Patents
Info
- Publication number
- FR649000A FR649000A FR649000DA FR649000A FR 649000 A FR649000 A FR 649000A FR 649000D A FR649000D A FR 649000DA FR 649000 A FR649000 A FR 649000A
- 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
- G02B25/00—Eyepieces; Magnifying glasses
- G02B25/001—Eyepieces
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR649000A true FR649000A (ru) | 1928-12-17 |
Family
ID=1542889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR649000D Expired FR649000A (ru) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR649000A (ru) |
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0
- FR FR649000D patent/FR649000A/fr not_active Expired