BE738138A - - Google Patents
Info
- Publication number
- BE738138A BE738138A BE738138DA BE738138A BE 738138 A BE738138 A BE 738138A BE 738138D A BE738138D A BE 738138DA BE 738138 A BE738138 A BE 738138A
- Authority
- BE
- Belgium
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
- G03B27/00—Photographic printing apparatus
- G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
- G03B27/52—Details
- G03B27/62—Holders for the original
- G03B27/6207—Holders for the original in copying cameras
- G03B27/6214—Copy boards
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Holders For Sensitive Materials And Originals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6812268A NL6812268A (en:Method) | 1968-08-29 | 1968-08-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE738138A true BE738138A (en:Method) | 1970-03-02 |
Family
ID=19804486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE738138D BE738138A (en:Method) | 1968-08-29 | 1969-08-29 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE738138A (en:Method) |
| GB (1) | GB1231294A (en:Method) |
| NL (1) | NL6812268A (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4632529A (en) * | 1984-03-16 | 1986-12-30 | Wilfred Levin | Accessory for use with an overhead projector |
-
1968
- 1968-08-29 NL NL6812268A patent/NL6812268A/xx unknown
-
1969
- 1969-08-21 GB GB1231294D patent/GB1231294A/en not_active Expired
- 1969-08-29 BE BE738138D patent/BE738138A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1231294A (en:Method) | 1971-05-12 |
| NL6812268A (en:Method) | 1970-03-03 |