JPS6431942U - - Google Patents
Info
- Publication number
- JPS6431942U JPS6431942U JP12721187U JP12721187U JPS6431942U JP S6431942 U JPS6431942 U JP S6431942U JP 12721187 U JP12721187 U JP 12721187U JP 12721187 U JP12721187 U JP 12721187U JP S6431942 U JPS6431942 U JP S6431942U
- Authority
- JP
- Japan
- Prior art keywords
- filter
- frame
- filter frame
- ventilation fan
- sides
- 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 4
- 239000004745 nonwoven fabric Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12721187U JPS6431942U (bg) | 1987-08-21 | 1987-08-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12721187U JPS6431942U (bg) | 1987-08-21 | 1987-08-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6431942U true JPS6431942U (bg) | 1989-02-28 |
Family
ID=31379435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12721187U Pending JPS6431942U (bg) | 1987-08-21 | 1987-08-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6431942U (bg) |
-
1987
- 1987-08-21 JP JP12721187U patent/JPS6431942U/ja active Pending