JPS5419869Y2 - - Google Patents
Info
- Publication number
- JPS5419869Y2 JPS5419869Y2 JP1974044540U JP4454074U JPS5419869Y2 JP S5419869 Y2 JPS5419869 Y2 JP S5419869Y2 JP 1974044540 U JP1974044540 U JP 1974044540U JP 4454074 U JP4454074 U JP 4454074U JP S5419869 Y2 JPS5419869 Y2 JP S5419869Y2
- Authority
- JP
- Japan
- 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
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1974044540U JPS5419869Y2 (OSRAM) | 1974-04-18 | 1974-04-18 | |
| US05/535,306 US4006965A (en) | 1974-04-18 | 1974-12-23 | Projection screen |
| GB911175A GB1496415A (en) | 1974-04-18 | 1975-03-05 | Screen |
| FR7507666A FR2269734B1 (OSRAM) | 1974-04-18 | 1975-03-12 | |
| DE19752511574 DE2511574A1 (de) | 1974-04-18 | 1975-03-17 | Projektionswand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1974044540U JPS5419869Y2 (OSRAM) | 1974-04-18 | 1974-04-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS50133953U JPS50133953U (OSRAM) | 1975-11-05 |
| JPS5419869Y2 true JPS5419869Y2 (OSRAM) | 1979-07-20 |
Family
ID=28177618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1974044540U Expired JPS5419869Y2 (OSRAM) | 1974-04-18 | 1974-04-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5419869Y2 (OSRAM) |
-
1974
- 1974-04-18 JP JP1974044540U patent/JPS5419869Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS50133953U (OSRAM) | 1975-11-05 |