JPH01169734U - - Google Patents
Info
- Publication number
- JPH01169734U JPH01169734U JP6591388U JP6591388U JPH01169734U JP H01169734 U JPH01169734 U JP H01169734U JP 6591388 U JP6591388 U JP 6591388U JP 6591388 U JP6591388 U JP 6591388U JP H01169734 U JPH01169734 U JP H01169734U
- Authority
- JP
- Japan
- Prior art keywords
- ventilation
- opening
- ventilation fan
- fire damper
- casing
- 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
- 238000009423 ventilation Methods 0.000 claims description 8
Landscapes
- Ventilation (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6591388U JPH01169734U (pt-PT) | 1988-05-19 | 1988-05-19 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6591388U JPH01169734U (pt-PT) | 1988-05-19 | 1988-05-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01169734U true JPH01169734U (pt-PT) | 1989-11-30 |
Family
ID=31291334
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6591388U Pending JPH01169734U (pt-PT) | 1988-05-19 | 1988-05-19 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01169734U (pt-PT) |
-
1988
- 1988-05-19 JP JP6591388U patent/JPH01169734U/ja active Pending