JPH0178840U - - Google Patents
Info
- Publication number
- JPH0178840U JPH0178840U JP1987174720U JP17472087U JPH0178840U JP H0178840 U JPH0178840 U JP H0178840U JP 1987174720 U JP1987174720 U JP 1987174720U JP 17472087 U JP17472087 U JP 17472087U JP H0178840 U JPH0178840 U JP H0178840U
- Authority
- JP
- Japan
- Prior art keywords
- ventilation fan
- ventilation
- closes
- frame
- lid
- 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 17
- 238000007789 sealing Methods 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 description 1
Landscapes
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987174720U JPH0178840U (pl) | 1987-11-16 | 1987-11-16 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987174720U JPH0178840U (pl) | 1987-11-16 | 1987-11-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0178840U true JPH0178840U (pl) | 1989-05-26 |
Family
ID=31466561
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987174720U Pending JPH0178840U (pl) | 1987-11-16 | 1987-11-16 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0178840U (pl) |
-
1987
- 1987-11-16 JP JP1987174720U patent/JPH0178840U/ja active Pending