JPS63142647U - - Google Patents
Info
- Publication number
- JPS63142647U JPS63142647U JP3564087U JP3564087U JPS63142647U JP S63142647 U JPS63142647 U JP S63142647U JP 3564087 U JP3564087 U JP 3564087U JP 3564087 U JP3564087 U JP 3564087U JP S63142647 U JPS63142647 U JP S63142647U
- Authority
- JP
- Japan
- Prior art keywords
- damper
- weight
- ventilation passage
- cylindrical body
- damper device
- 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.)
- Granted
Links
- 238000009423 ventilation Methods 0.000 claims description 4
Landscapes
- Air-Flow Control Members (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3564087U JPH0422204Y2 (en, 2012) | 1987-03-11 | 1987-03-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3564087U JPH0422204Y2 (en, 2012) | 1987-03-11 | 1987-03-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63142647U true JPS63142647U (en, 2012) | 1988-09-20 |
| JPH0422204Y2 JPH0422204Y2 (en, 2012) | 1992-05-20 |
Family
ID=30845306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3564087U Expired JPH0422204Y2 (en, 2012) | 1987-03-11 | 1987-03-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0422204Y2 (en, 2012) |
-
1987
- 1987-03-11 JP JP3564087U patent/JPH0422204Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0422204Y2 (en, 2012) | 1992-05-20 |