CN207919390U - 一种高架道路用隔音装置 - Google Patents
一种高架道路用隔音装置 Download PDFInfo
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- CN207919390U CN207919390U CN201820108541.XU CN201820108541U CN207919390U CN 207919390 U CN207919390 U CN 207919390U CN 201820108541 U CN201820108541 U CN 201820108541U CN 207919390 U CN207919390 U CN 207919390U
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- sound panel
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- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
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CN201820108541.XU CN207919390U (zh) | 2018-01-23 | 2018-01-23 | 一种高架道路用隔音装置 |
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CN201820108541.XU CN207919390U (zh) | 2018-01-23 | 2018-01-23 | 一种高架道路用隔音装置 |
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CN207919390U true CN207919390U (zh) | 2018-09-28 |
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CN201820108541.XU Expired - Fee Related CN207919390U (zh) | 2018-01-23 | 2018-01-23 | 一种高架道路用隔音装置 |
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CN (1) | CN207919390U (zh) |
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2018
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20191225 Address after: No.1-1-2, No.1 pedestrian street, ZhangGu Town, Danba County, Ganzi Tibetan Autonomous Prefecture, Sichuan Province Patentee after: Sichuan Dongcheng Construction Project Management Co.,Ltd. Address before: 311231 Xiaoshan higher education zone, Zhejiang, Hangzhou, Zhejiang College of Construction Patentee before: Zhejiang College of Construction |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180928 Termination date: 20220123 |