JPS6372434U - - Google Patents
Info
- Publication number
- JPS6372434U JPS6372434U JP16832286U JP16832286U JPS6372434U JP S6372434 U JPS6372434 U JP S6372434U JP 16832286 U JP16832286 U JP 16832286U JP 16832286 U JP16832286 U JP 16832286U JP S6372434 U JPS6372434 U JP S6372434U
- Authority
- JP
- Japan
- Prior art keywords
- rollers
- flaps
- side frames
- flap
- hollow
- 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 description 1
Landscapes
- Ventilation (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16832286U JPH0230664Y2 (cs) | 1986-10-31 | 1986-10-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16832286U JPH0230664Y2 (cs) | 1986-10-31 | 1986-10-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6372434U true JPS6372434U (cs) | 1988-05-14 |
| JPH0230664Y2 JPH0230664Y2 (cs) | 1990-08-17 |
Family
ID=31101094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16832286U Expired JPH0230664Y2 (cs) | 1986-10-31 | 1986-10-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0230664Y2 (cs) |
-
1986
- 1986-10-31 JP JP16832286U patent/JPH0230664Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0230664Y2 (cs) | 1990-08-17 |