JPH01123130U - - Google Patents
Info
- Publication number
- JPH01123130U JPH01123130U JP1767888U JP1767888U JPH01123130U JP H01123130 U JPH01123130 U JP H01123130U JP 1767888 U JP1767888 U JP 1767888U JP 1767888 U JP1767888 U JP 1767888U JP H01123130 U JPH01123130 U JP H01123130U
- Authority
- JP
- Japan
- Prior art keywords
- opening
- ventilation
- rotary knob
- closing blade
- motion
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 2
Landscapes
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Ventilation (AREA)
- Air-Flow Control Members (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1767888U JPH01123130U (pt) | 1988-02-12 | 1988-02-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1767888U JPH01123130U (pt) | 1988-02-12 | 1988-02-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01123130U true JPH01123130U (pt) | 1989-08-22 |
Family
ID=31231674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1767888U Pending JPH01123130U (pt) | 1988-02-12 | 1988-02-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01123130U (pt) |
-
1988
- 1988-02-12 JP JP1767888U patent/JPH01123130U/ja active Pending