JPS63198736U - - Google Patents
Info
- Publication number
- JPS63198736U JPS63198736U JP9088187U JP9088187U JPS63198736U JP S63198736 U JPS63198736 U JP S63198736U JP 9088187 U JP9088187 U JP 9088187U JP 9088187 U JP9088187 U JP 9088187U JP S63198736 U JPS63198736 U JP S63198736U
- Authority
- JP
- Japan
- Prior art keywords
- opening
- cover
- cylindrical body
- roof
- cylinder
- 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 6
Landscapes
- Building Environments (AREA)
- Ventilation (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9088187U JPH0428977Y2 (de) | 1987-06-12 | 1987-06-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9088187U JPH0428977Y2 (de) | 1987-06-12 | 1987-06-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63198736U true JPS63198736U (de) | 1988-12-21 |
| JPH0428977Y2 JPH0428977Y2 (de) | 1992-07-14 |
Family
ID=30951157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9088187U Expired JPH0428977Y2 (de) | 1987-06-12 | 1987-06-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0428977Y2 (de) |
-
1987
- 1987-06-12 JP JP9088187U patent/JPH0428977Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0428977Y2 (de) | 1992-07-14 |