CN205260057U - 一种铁路隧道吸音装置 - Google Patents
一种铁路隧道吸音装置 Download PDFInfo
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- CN205260057U CN205260057U CN201521131197.9U CN201521131197U CN205260057U CN 205260057 U CN205260057 U CN 205260057U CN 201521131197 U CN201521131197 U CN 201521131197U CN 205260057 U CN205260057 U CN 205260057U
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- sound
- sheet metal
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- inhale
- railway tunnel
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- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201521131197.9U CN205260057U (zh) | 2015-12-30 | 2015-12-30 | 一种铁路隧道吸音装置 |
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CN201521131197.9U CN205260057U (zh) | 2015-12-30 | 2015-12-30 | 一种铁路隧道吸音装置 |
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CN205260057U true CN205260057U (zh) | 2016-05-25 |
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CN201521131197.9U Expired - Fee Related CN205260057U (zh) | 2015-12-30 | 2015-12-30 | 一种铁路隧道吸音装置 |
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CN (1) | CN205260057U (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110593955A (zh) * | 2019-09-12 | 2019-12-20 | 天津市市政工程设计研究院 | 一种隧道内广播混响的抑制方法 |
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2015
- 2015-12-30 CN CN201521131197.9U patent/CN205260057U/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110593955A (zh) * | 2019-09-12 | 2019-12-20 | 天津市市政工程设计研究院 | 一种隧道内广播混响的抑制方法 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
CB03 | Change of inventor or designer information |
Inventor after: Lin Guoping Inventor before: Chen Liansheng |
|
COR | Change of bibliographic data | ||
TR01 | Transfer of patent right |
Effective date of registration: 20161228 Address after: Fuzhou Xiangqian town of Minhou County of Fujian province 350100 City Court Village head No. 5 Yang Qi Patentee after: Lin Guoping Address before: Shigu Yongchun County town of Quanzhou City, Fujian province 362000 Ma Village No. 215 Patentee before: Chen Liansheng |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170112 Address after: Dongpu road Qinting village Jinan District of Fuzhou City, Fujian province 350013 No. 133 3 floor Patentee after: Fujian Wei Heng Construction Engineering Group Co.,Ltd. Address before: Fuzhou Xiangqian town of Minhou County of Fujian province 350100 City Court Village head No. 5 Yang Qi Patentee before: Lin Guoping |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160525 Termination date: 20211230 |
|
CF01 | Termination of patent right due to non-payment of annual fee |