JPS6431940U - - Google Patents
Info
- Publication number
- JPS6431940U JPS6431940U JP12720987U JP12720987U JPS6431940U JP S6431940 U JPS6431940 U JP S6431940U JP 12720987 U JP12720987 U JP 12720987U JP 12720987 U JP12720987 U JP 12720987U JP S6431940 U JPS6431940 U JP S6431940U
- Authority
- JP
- Japan
- Prior art keywords
- filter frame
- ventilation fan
- filter
- engaging means
- removably attached
- 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 4
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12720987U JPS6431940U (en]) | 1987-08-21 | 1987-08-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12720987U JPS6431940U (en]) | 1987-08-21 | 1987-08-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6431940U true JPS6431940U (en]) | 1989-02-28 |
Family
ID=31379431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12720987U Pending JPS6431940U (en]) | 1987-08-21 | 1987-08-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6431940U (en]) |
-
1987
- 1987-08-21 JP JP12720987U patent/JPS6431940U/ja active Pending