JPS61148001U - - Google Patents
Info
- Publication number
- JPS61148001U JPS61148001U JP3212485U JP3212485U JPS61148001U JP S61148001 U JPS61148001 U JP S61148001U JP 3212485 U JP3212485 U JP 3212485U JP 3212485 U JP3212485 U JP 3212485U JP S61148001 U JPS61148001 U JP S61148001U
- Authority
- JP
- Japan
- Prior art keywords
- filter
- attached
- screen
- ceiling
- utility
- 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
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Optical Elements Other Than Lenses (AREA)
- Transforming Electric Information Into Light Information (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3212485U JPS61148001U (sh) | 1985-03-05 | 1985-03-05 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3212485U JPS61148001U (sh) | 1985-03-05 | 1985-03-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61148001U true JPS61148001U (sh) | 1986-09-12 |
Family
ID=30533349
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3212485U Pending JPS61148001U (sh) | 1985-03-05 | 1985-03-05 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61148001U (sh) |
-
1985
- 1985-03-05 JP JP3212485U patent/JPS61148001U/ja active Pending