JPH0176487U - - Google Patents
Info
- Publication number
- JPH0176487U JPH0176487U JP1987173016U JP17301687U JPH0176487U JP H0176487 U JPH0176487 U JP H0176487U JP 1987173016 U JP1987173016 U JP 1987173016U JP 17301687 U JP17301687 U JP 17301687U JP H0176487 U JPH0176487 U JP H0176487U
- Authority
- JP
- Japan
- Prior art keywords
- opening
- ventilation hole
- closing
- damper
- 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.)
- Granted
Links
- 238000009423 ventilation Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987173016U JPH057189Y2 (sv) | 1987-11-12 | 1987-11-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987173016U JPH057189Y2 (sv) | 1987-11-12 | 1987-11-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0176487U true JPH0176487U (sv) | 1989-05-23 |
| JPH057189Y2 JPH057189Y2 (sv) | 1993-02-23 |
Family
ID=31464957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987173016U Expired - Lifetime JPH057189Y2 (sv) | 1987-11-12 | 1987-11-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH057189Y2 (sv) |
-
1987
- 1987-11-12 JP JP1987173016U patent/JPH057189Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH057189Y2 (sv) | 1993-02-23 |