JPS4981031A - - Google Patents
Info
- Publication number
- JPS4981031A JPS4981031A JP12374372A JP12374372A JPS4981031A JP S4981031 A JPS4981031 A JP S4981031A JP 12374372 A JP12374372 A JP 12374372A JP 12374372 A JP12374372 A JP 12374372A JP S4981031 A JPS4981031 A JP S4981031A
- 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
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12374372A JPS4981031A (no) | 1972-12-08 | 1972-12-08 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12374372A JPS4981031A (no) | 1972-12-08 | 1972-12-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS4981031A true JPS4981031A (no) | 1974-08-05 |
Family
ID=14868216
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12374372A Pending JPS4981031A (no) | 1972-12-08 | 1972-12-08 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS4981031A (no) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02585A (ja) * | 1987-10-19 | 1990-01-05 | Ricoh Co Ltd | 投影画像形成法及びそれに使用する可逆性感熱記録体 |
JPH0362301U (no) * | 1989-07-28 | 1991-06-18 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3302519A (en) * | 1965-01-07 | 1967-02-07 | Rca Corp | Optical illuminating system |
-
1972
- 1972-12-08 JP JP12374372A patent/JPS4981031A/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3302519A (en) * | 1965-01-07 | 1967-02-07 | Rca Corp | Optical illuminating system |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02585A (ja) * | 1987-10-19 | 1990-01-05 | Ricoh Co Ltd | 投影画像形成法及びそれに使用する可逆性感熱記録体 |
JPH0362301U (no) * | 1989-07-28 | 1991-06-18 |