JPH0216396U - - Google Patents
Info
- Publication number
- JPH0216396U JPH0216396U JP9457788U JP9457788U JPH0216396U JP H0216396 U JPH0216396 U JP H0216396U JP 9457788 U JP9457788 U JP 9457788U JP 9457788 U JP9457788 U JP 9457788U JP H0216396 U JPH0216396 U JP H0216396U
- Authority
- JP
- Japan
- Prior art keywords
- vertical
- ventilation pipe
- groove provided
- rod
- groove
- 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
Landscapes
- Duct Arrangements (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9457788U JPH0216396U (en]) | 1988-07-19 | 1988-07-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9457788U JPH0216396U (en]) | 1988-07-19 | 1988-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0216396U true JPH0216396U (en]) | 1990-02-01 |
Family
ID=31319128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9457788U Pending JPH0216396U (en]) | 1988-07-19 | 1988-07-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0216396U (en]) |
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1988
- 1988-07-19 JP JP9457788U patent/JPH0216396U/ja active Pending