JPS63115135U - - Google Patents
Info
- Publication number
- JPS63115135U JPS63115135U JP743287U JP743287U JPS63115135U JP S63115135 U JPS63115135 U JP S63115135U JP 743287 U JP743287 U JP 743287U JP 743287 U JP743287 U JP 743287U JP S63115135 U JPS63115135 U JP S63115135U
- Authority
- JP
- Japan
- Prior art keywords
- frame
- film
- rectangle
- overhead projector
- partially shielding
- Prior art date
- 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 |
---|---|---|---|
JP743287U JPS63115135U (nl) | 1987-01-20 | 1987-01-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP743287U JPS63115135U (nl) | 1987-01-20 | 1987-01-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63115135U true JPS63115135U (nl) | 1988-07-25 |
Family
ID=30790876
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP743287U Pending JPS63115135U (nl) | 1987-01-20 | 1987-01-20 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63115135U (nl) |
-
1987
- 1987-01-20 JP JP743287U patent/JPS63115135U/ja active Pending