JPH0188330U - - Google Patents
Info
- Publication number
- JPH0188330U JPH0188330U JP18280487U JP18280487U JPH0188330U JP H0188330 U JPH0188330 U JP H0188330U JP 18280487 U JP18280487 U JP 18280487U JP 18280487 U JP18280487 U JP 18280487U JP H0188330 U JPH0188330 U JP H0188330U
- Authority
- JP
- Japan
- Prior art keywords
- ventilation fan
- filter
- roller
- pull operation
- transmission mechanism
- 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 claims description 4
- 230000002265 prevention Effects 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18280487U JPH0188330U (pt) | 1987-11-30 | 1987-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18280487U JPH0188330U (pt) | 1987-11-30 | 1987-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0188330U true JPH0188330U (pt) | 1989-06-12 |
Family
ID=31474248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18280487U Pending JPH0188330U (pt) | 1987-11-30 | 1987-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0188330U (pt) |
-
1987
- 1987-11-30 JP JP18280487U patent/JPH0188330U/ja active Pending
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