JPH0160140U - - Google Patents
Info
- Publication number
- JPH0160140U JPH0160140U JP15476387U JP15476387U JPH0160140U JP H0160140 U JPH0160140 U JP H0160140U JP 15476387 U JP15476387 U JP 15476387U JP 15476387 U JP15476387 U JP 15476387U JP H0160140 U JPH0160140 U JP H0160140U
- Authority
- JP
- Japan
- Prior art keywords
- manhole
- fan
- utility
- casing
- model registration
- 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
Landscapes
- Ventilation (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15476387U JPH0160140U (pl) | 1987-10-09 | 1987-10-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15476387U JPH0160140U (pl) | 1987-10-09 | 1987-10-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0160140U true JPH0160140U (pl) | 1989-04-17 |
Family
ID=31431784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15476387U Pending JPH0160140U (pl) | 1987-10-09 | 1987-10-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0160140U (pl) |
-
1987
- 1987-10-09 JP JP15476387U patent/JPH0160140U/ja active Pending