BE741575A - - Google Patents
Info
- Publication number
- BE741575A BE741575A BE741575DA BE741575A BE 741575 A BE741575 A BE 741575A BE 741575D A BE741575D A BE 741575DA BE 741575 A BE741575 A BE 741575A
- Authority
- BE
- Belgium
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/14—Optical objectives specially designed for the purposes specified below for use with infrared or ultraviolet radiation
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19691912747 DE1912747C (de) | 1969-03-13 | Objektiv fur mittleres Infrarot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE741575A true BE741575A (de) | 1970-04-16 |
Family
ID=5727997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE741575D BE741575A (de) | 1969-03-13 | 1969-11-12 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE741575A (de) |
| CH (1) | CH491395A (de) |
| NL (1) | NL6917899A (de) |
-
1969
- 1969-11-12 BE BE741575D patent/BE741575A/xx unknown
- 1969-11-28 NL NL6917899A patent/NL6917899A/xx unknown
- 1969-12-18 CH CH1884369A patent/CH491395A/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CH491395A (de) | 1970-05-31 |
| DE1912747A1 (de) | 1970-10-01 |
| NL6917899A (de) | 1970-09-15 |
| DE1912747B2 (de) | 1972-09-07 |