JPS5220841U - - Google Patents
Info
- Publication number
- JPS5220841U JPS5220841U JP10668975U JP10668975U JPS5220841U JP S5220841 U JPS5220841 U JP S5220841U JP 10668975 U JP10668975 U JP 10668975U JP 10668975 U JP10668975 U JP 10668975U JP S5220841 U JPS5220841 U JP S5220841U
- 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.)
- Pending
Links
Landscapes
- Optical Elements Other Than Lenses (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10668975U JPS5220841U (en]) | 1975-08-01 | 1975-08-01 | |
US05/672,930 US4083626A (en) | 1975-04-04 | 1976-04-02 | Rear projection screens |
GB13764/76A GB1548944A (en) | 1975-04-04 | 1976-04-05 | Rear projection screens |
DE19762614606 DE2614606A1 (de) | 1975-04-04 | 1976-04-05 | Rueckprojektionsbildwand |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10668975U JPS5220841U (en]) | 1975-08-01 | 1975-08-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5220841U true JPS5220841U (en]) | 1977-02-15 |
Family
ID=28587948
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10668975U Pending JPS5220841U (en]) | 1975-04-04 | 1975-08-01 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5220841U (en]) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55143298U (en]) * | 1979-04-04 | 1980-10-14 | ||
JPS57158682U (en]) * | 1981-03-27 | 1982-10-05 | ||
JPS6331097U (en]) * | 1986-08-13 | 1988-02-29 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4421110Y1 (en]) * | 1966-01-13 | 1969-09-08 |
-
1975
- 1975-08-01 JP JP10668975U patent/JPS5220841U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4421110Y1 (en]) * | 1966-01-13 | 1969-09-08 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55143298U (en]) * | 1979-04-04 | 1980-10-14 | ||
JPS57158682U (en]) * | 1981-03-27 | 1982-10-05 | ||
JPS6331097U (en]) * | 1986-08-13 | 1988-02-29 |