JPS63113849U - - Google Patents
Info
- Publication number
- JPS63113849U JPS63113849U JP520787U JP520787U JPS63113849U JP S63113849 U JPS63113849 U JP S63113849U JP 520787 U JP520787 U JP 520787U JP 520787 U JP520787 U JP 520787U JP S63113849 U JPS63113849 U JP S63113849U
- Authority
- JP
- Japan
- Prior art keywords
- blade
- edge
- back plate
- plate
- top plate
- 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
- 239000011358 absorbing material Substances 0.000 claims 1
Landscapes
- Air-Flow Control Members (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Building Environments (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Ventilation (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP520787U JPS63113849U (it) | 1987-01-17 | 1987-01-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP520787U JPS63113849U (it) | 1987-01-17 | 1987-01-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63113849U true JPS63113849U (it) | 1988-07-22 |
Family
ID=30786578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP520787U Pending JPS63113849U (it) | 1987-01-17 | 1987-01-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63113849U (it) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07248775A (ja) * | 1994-03-09 | 1995-09-26 | Toda Constr Co Ltd | 広周波数帯域残響可変装置 |
| JP2002194961A (ja) * | 2000-12-25 | 2002-07-10 | Nakamura:Kk | 連動板前後移動式ルーバー回動装置 |
| JP2013181714A (ja) * | 2012-03-02 | 2013-09-12 | Sasakura Engineering Co Ltd | 消音装置 |
| CN111549931A (zh) * | 2020-04-27 | 2020-08-18 | 广东电网有限责任公司 | 一种变电站消音墙 |
-
1987
- 1987-01-17 JP JP520787U patent/JPS63113849U/ja active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07248775A (ja) * | 1994-03-09 | 1995-09-26 | Toda Constr Co Ltd | 広周波数帯域残響可変装置 |
| JP2002194961A (ja) * | 2000-12-25 | 2002-07-10 | Nakamura:Kk | 連動板前後移動式ルーバー回動装置 |
| JP2013181714A (ja) * | 2012-03-02 | 2013-09-12 | Sasakura Engineering Co Ltd | 消音装置 |
| CN111549931A (zh) * | 2020-04-27 | 2020-08-18 | 广东电网有限责任公司 | 一种变电站消音墙 |
| CN111549931B (zh) * | 2020-04-27 | 2021-06-29 | 广东电网有限责任公司 | 一种变电站消音墙 |