BE727997A - - Google Patents
Info
- Publication number
- BE727997A BE727997A BE727997DA BE727997A BE 727997 A BE727997 A BE 727997A BE 727997D A BE727997D A BE 727997DA BE 727997 A BE727997 A BE 727997A
- Authority
- BE
- Belgium
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/08—Mirrors
- G02B5/10—Mirrors with curved faces
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1772061 | 1968-03-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE727997A true BE727997A (fr) | 1969-07-16 |
Family
ID=5701094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE727997D BE727997A (fr) | 1968-03-26 | 1969-02-06 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE727997A (fr) |
| NL (1) | NL6904091A (fr) |
-
1969
- 1969-02-06 BE BE727997D patent/BE727997A/xx unknown
- 1969-03-17 NL NL6904091A patent/NL6904091A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6904091A (fr) | 1969-09-30 |