JPS563533U - - Google Patents
Info
- Publication number
- JPS563533U JPS563533U JP8256879U JP8256879U JPS563533U JP S563533 U JPS563533 U JP S563533U JP 8256879 U JP8256879 U JP 8256879U JP 8256879 U JP8256879 U JP 8256879U JP S563533 U JPS563533 U JP S563533U
- 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.)
- Granted
Links
Landscapes
- Overhead Projectors And Projection Screens (AREA)
- Transforming Electric Information Into Light Information (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1979082568U JPH0142093Y2 (en) | 1979-06-15 | 1979-06-15 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1979082568U JPH0142093Y2 (en) | 1979-06-15 | 1979-06-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS563533U true JPS563533U (en) | 1981-01-13 |
JPH0142093Y2 JPH0142093Y2 (en) | 1989-12-11 |
Family
ID=29315787
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1979082568U Expired JPH0142093Y2 (en) | 1979-06-15 | 1979-06-15 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0142093Y2 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5892739A (en) * | 1981-11-25 | 1983-06-02 | Kunihiko Murai | Device for preventing invasion of dust into room utilizing pressurized air |
JPS58110938A (en) * | 1981-12-24 | 1983-07-01 | Takenaka Komuten Co Ltd | Air cleaning unit |
JPS5965716U (en) * | 1982-10-27 | 1984-05-02 | 株式会社竹中工務店 | air purifier |
JPS6276849U (en) * | 1986-10-28 | 1987-05-16 | ||
JPS62190339A (en) * | 1987-02-20 | 1987-08-20 | Hitachi Ltd | Device in clean room |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2845480A (en) * | 1954-04-16 | 1958-07-29 | Hazeltine Research Inc | Optical structure for color-imagereproducing apparatus of the projection type |
-
1979
- 1979-06-15 JP JP1979082568U patent/JPH0142093Y2/ja not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2845480A (en) * | 1954-04-16 | 1958-07-29 | Hazeltine Research Inc | Optical structure for color-imagereproducing apparatus of the projection type |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5892739A (en) * | 1981-11-25 | 1983-06-02 | Kunihiko Murai | Device for preventing invasion of dust into room utilizing pressurized air |
JPS58110938A (en) * | 1981-12-24 | 1983-07-01 | Takenaka Komuten Co Ltd | Air cleaning unit |
JPS5965716U (en) * | 1982-10-27 | 1984-05-02 | 株式会社竹中工務店 | air purifier |
JPS6129449Y2 (en) * | 1982-10-27 | 1986-08-30 | ||
JPS6276849U (en) * | 1986-10-28 | 1987-05-16 | ||
JPS62190339A (en) * | 1987-02-20 | 1987-08-20 | Hitachi Ltd | Device in clean room |
Also Published As
Publication number | Publication date |
---|---|
JPH0142093Y2 (en) | 1989-12-11 |