JPH0188721U - - Google Patents
Info
- Publication number
- JPH0188721U JPH0188721U JP18281387U JP18281387U JPH0188721U JP H0188721 U JPH0188721 U JP H0188721U JP 18281387 U JP18281387 U JP 18281387U JP 18281387 U JP18281387 U JP 18281387U JP H0188721 U JPH0188721 U JP H0188721U
- Authority
- JP
- Japan
- Prior art keywords
- ventilation fan
- filter
- view
- dirt
- mark
- 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 7
- 230000005540 biological transmission Effects 0.000 description 2
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18281387U JPH0188721U (cs) | 1987-11-30 | 1987-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18281387U JPH0188721U (cs) | 1987-11-30 | 1987-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0188721U true JPH0188721U (cs) | 1989-06-12 |
Family
ID=31474257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18281387U Pending JPH0188721U (cs) | 1987-11-30 | 1987-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0188721U (cs) |
-
1987
- 1987-11-30 JP JP18281387U patent/JPH0188721U/ja active Pending
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