NL6714461A - - Google Patents
Info
- Publication number
- NL6714461A NL6714461A NL6714461A NL6714461A NL6714461A NL 6714461 A NL6714461 A NL 6714461A NL 6714461 A NL6714461 A NL 6714461A NL 6714461 A NL6714461 A NL 6714461A NL 6714461 A NL6714461 A NL 6714461A
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/10—Projectors with built-in or built-on screen
- G03B21/11—Projectors with built-in or built-on screen for microfilm reading
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6714461A NL6714461A (de) | 1967-10-25 | 1967-10-25 | |
| BE720350D BE720350A (de) | 1967-10-25 | 1968-09-03 | |
| FR1595615D FR1595615A (de) | 1967-10-25 | 1968-09-24 | |
| CH1468868A CH489032A (de) | 1967-10-25 | 1968-10-01 | Lesegerät |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6714461A NL6714461A (de) | 1967-10-25 | 1967-10-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6714461A true NL6714461A (de) | 1969-04-29 |
Family
ID=19801552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6714461A NL6714461A (de) | 1967-10-25 | 1967-10-25 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE720350A (de) |
| CH (1) | CH489032A (de) |
| FR (1) | FR1595615A (de) |
| NL (1) | NL6714461A (de) |
-
1967
- 1967-10-25 NL NL6714461A patent/NL6714461A/xx unknown
-
1968
- 1968-09-03 BE BE720350D patent/BE720350A/xx unknown
- 1968-09-24 FR FR1595615D patent/FR1595615A/fr not_active Expired
- 1968-10-01 CH CH1468868A patent/CH489032A/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR1595615A (de) | 1970-06-15 |
| CH489032A (de) | 1970-04-15 |
| BE720350A (de) | 1969-02-17 |