JPH02137653U - - Google Patents
Info
- Publication number
- JPH02137653U JPH02137653U JP4584989U JP4584989U JPH02137653U JP H02137653 U JPH02137653 U JP H02137653U JP 4584989 U JP4584989 U JP 4584989U JP 4584989 U JP4584989 U JP 4584989U JP H02137653 U JPH02137653 U JP H02137653U
- Authority
- JP
- Japan
- Prior art keywords
- duct
- ventilation fan
- ring
- outer periphery
- connection part
- 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 9
- 230000001681 protective effect Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 2
- 238000007789 sealing Methods 0.000 claims 2
- 238000009434 installation Methods 0.000 description 2
Landscapes
- Duct Arrangements (AREA)
- Ventilation (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4584989U JPH02137653U (enExample) | 1989-04-19 | 1989-04-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4584989U JPH02137653U (enExample) | 1989-04-19 | 1989-04-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02137653U true JPH02137653U (enExample) | 1990-11-16 |
Family
ID=31560391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4584989U Pending JPH02137653U (enExample) | 1989-04-19 | 1989-04-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02137653U (enExample) |
-
1989
- 1989-04-19 JP JP4584989U patent/JPH02137653U/ja active Pending