JPH01123138U - - Google Patents
Info
- Publication number
- JPH01123138U JPH01123138U JP1959088U JP1959088U JPH01123138U JP H01123138 U JPH01123138 U JP H01123138U JP 1959088 U JP1959088 U JP 1959088U JP 1959088 U JP1959088 U JP 1959088U JP H01123138 U JPH01123138 U JP H01123138U
- Authority
- JP
- Japan
- Prior art keywords
- filter
- hole
- ventilation fan
- cover
- frame
- 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.)
- Granted
Links
- 238000009423 ventilation Methods 0.000 claims description 8
- 239000004745 nonwoven fabric Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1959088U JPH0343551Y2 (zh) | 1988-02-16 | 1988-02-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1959088U JPH0343551Y2 (zh) | 1988-02-16 | 1988-02-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01123138U true JPH01123138U (zh) | 1989-08-22 |
| JPH0343551Y2 JPH0343551Y2 (zh) | 1991-09-12 |
Family
ID=31235235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1959088U Expired JPH0343551Y2 (zh) | 1988-02-16 | 1988-02-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0343551Y2 (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020070746A (ja) * | 2018-10-31 | 2020-05-07 | エドワーズ株式会社 | 真空ポンプ、保護網及び接触部品 |
-
1988
- 1988-02-16 JP JP1959088U patent/JPH0343551Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020070746A (ja) * | 2018-10-31 | 2020-05-07 | エドワーズ株式会社 | 真空ポンプ、保護網及び接触部品 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0343551Y2 (zh) | 1991-09-12 |