JPS63181736U - - Google Patents
Info
- Publication number
- JPS63181736U JPS63181736U JP7201187U JP7201187U JPS63181736U JP S63181736 U JPS63181736 U JP S63181736U JP 7201187 U JP7201187 U JP 7201187U JP 7201187 U JP7201187 U JP 7201187U JP S63181736 U JPS63181736 U JP S63181736U
- Authority
- JP
- Japan
- Prior art keywords
- damper
- closes
- opening
- top surface
- 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 7
- 239000003566 sealing material Substances 0.000 claims description 2
Landscapes
- Ventilation (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7201187U JPS63181736U (it) | 1987-05-14 | 1987-05-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7201187U JPS63181736U (it) | 1987-05-14 | 1987-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63181736U true JPS63181736U (it) | 1988-11-24 |
Family
ID=30915080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7201187U Pending JPS63181736U (it) | 1987-05-14 | 1987-05-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63181736U (it) |
-
1987
- 1987-05-14 JP JP7201187U patent/JPS63181736U/ja active Pending