JPS63178743U - - Google Patents
Info
- Publication number
- JPS63178743U JPS63178743U JP7078287U JP7078287U JPS63178743U JP S63178743 U JPS63178743 U JP S63178743U JP 7078287 U JP7078287 U JP 7078287U JP 7078287 U JP7078287 U JP 7078287U JP S63178743 U JPS63178743 U JP S63178743U
- Authority
- JP
- Japan
- Prior art keywords
- damper
- cylindrical body
- damper device
- edge
- free state
- 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 2
Landscapes
- Ventilation (AREA)
- Air-Flow Control Members (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7078287U JPS63178743U (sk) | 1987-05-12 | 1987-05-12 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7078287U JPS63178743U (sk) | 1987-05-12 | 1987-05-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63178743U true JPS63178743U (sk) | 1988-11-18 |
Family
ID=30912730
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7078287U Pending JPS63178743U (sk) | 1987-05-12 | 1987-05-12 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63178743U (sk) |
-
1987
- 1987-05-12 JP JP7078287U patent/JPS63178743U/ja active Pending