JPS6297425U - - Google Patents
Info
- Publication number
- JPS6297425U JPS6297425U JP18879085U JP18879085U JPS6297425U JP S6297425 U JPS6297425 U JP S6297425U JP 18879085 U JP18879085 U JP 18879085U JP 18879085 U JP18879085 U JP 18879085U JP S6297425 U JPS6297425 U JP S6297425U
- Authority
- JP
- Japan
- Prior art keywords
- closing plate
- chain
- ventilation hole
- pin
- support rod
- 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 3
Landscapes
- Ventilation (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18879085U JPS6297425U (cs) | 1985-12-07 | 1985-12-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18879085U JPS6297425U (cs) | 1985-12-07 | 1985-12-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6297425U true JPS6297425U (cs) | 1987-06-22 |
Family
ID=31140481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18879085U Pending JPS6297425U (cs) | 1985-12-07 | 1985-12-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6297425U (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021177030A (ja) * | 2020-05-07 | 2021-11-11 | 毅 関口 | 換気口浸水防止装置 |
-
1985
- 1985-12-07 JP JP18879085U patent/JPS6297425U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021177030A (ja) * | 2020-05-07 | 2021-11-11 | 毅 関口 | 換気口浸水防止装置 |