JPH01113298U - - Google Patents
Info
- Publication number
- JPH01113298U JPH01113298U JP837788U JP837788U JPH01113298U JP H01113298 U JPH01113298 U JP H01113298U JP 837788 U JP837788 U JP 837788U JP 837788 U JP837788 U JP 837788U JP H01113298 U JPH01113298 U JP H01113298U
- Authority
- JP
- Japan
- Prior art keywords
- plate
- diaphragm
- opening
- periphery
- buttfull
- 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
Landscapes
- Building Environments (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP837788U JPH01113298U (fr) | 1988-01-26 | 1988-01-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP837788U JPH01113298U (fr) | 1988-01-26 | 1988-01-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01113298U true JPH01113298U (fr) | 1989-07-31 |
Family
ID=31214201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP837788U Pending JPH01113298U (fr) | 1988-01-26 | 1988-01-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01113298U (fr) |
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1988
- 1988-01-26 JP JP837788U patent/JPH01113298U/ja active Pending