JPS649664U - - Google Patents
Info
- Publication number
- JPS649664U JPS649664U JP10323387U JP10323387U JPS649664U JP S649664 U JPS649664 U JP S649664U JP 10323387 U JP10323387 U JP 10323387U JP 10323387 U JP10323387 U JP 10323387U JP S649664 U JPS649664 U JP S649664U
- Authority
- JP
- Japan
- Prior art keywords
- valve body
- vent
- fire damper
- ventilation opening
- ventilation
- 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 4
Landscapes
- Building Environments (AREA)
- Air-Flow Control Members (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10323387U JPS649664U (zh) | 1987-07-03 | 1987-07-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10323387U JPS649664U (zh) | 1987-07-03 | 1987-07-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS649664U true JPS649664U (zh) | 1989-01-19 |
Family
ID=31333871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10323387U Pending JPS649664U (zh) | 1987-07-03 | 1987-07-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS649664U (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0648703U (ja) * | 1992-12-17 | 1994-07-05 | 株式会社カネシン | 建物用換気口 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62129065A (ja) * | 1985-12-02 | 1987-06-11 | 浅野スレ−ト株式会社 | 防火換気口 |
-
1987
- 1987-07-03 JP JP10323387U patent/JPS649664U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62129065A (ja) * | 1985-12-02 | 1987-06-11 | 浅野スレ−ト株式会社 | 防火換気口 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0648703U (ja) * | 1992-12-17 | 1994-07-05 | 株式会社カネシン | 建物用換気口 |