JPS62181608U - - Google Patents
Info
- Publication number
- JPS62181608U JPS62181608U JP6609186U JP6609186U JPS62181608U JP S62181608 U JPS62181608 U JP S62181608U JP 6609186 U JP6609186 U JP 6609186U JP 6609186 U JP6609186 U JP 6609186U JP S62181608 U JPS62181608 U JP S62181608U
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical
- openings
- soundproof plates
- rotating shaft
- opening
- 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
- 238000009412 basement excavation Methods 0.000 claims 1
- 238000005553 drilling Methods 0.000 claims 1
Landscapes
- Road Repair (AREA)
- Earth Drilling (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6609186U JPH0316887Y2 (en:Method) | 1986-05-02 | 1986-05-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6609186U JPH0316887Y2 (en:Method) | 1986-05-02 | 1986-05-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62181608U true JPS62181608U (en:Method) | 1987-11-18 |
| JPH0316887Y2 JPH0316887Y2 (en:Method) | 1991-04-10 |
Family
ID=30903768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6609186U Expired JPH0316887Y2 (en:Method) | 1986-05-02 | 1986-05-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0316887Y2 (en:Method) |
-
1986
- 1986-05-02 JP JP6609186U patent/JPH0316887Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0316887Y2 (en:Method) | 1991-04-10 |