CN212375714U - 一种道路桥梁防撞护栏 - Google Patents
一种道路桥梁防撞护栏 Download PDFInfo
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- CN212375714U CN212375714U CN202020890456.0U CN202020890456U CN212375714U CN 212375714 U CN212375714 U CN 212375714U CN 202020890456 U CN202020890456 U CN 202020890456U CN 212375714 U CN212375714 U CN 212375714U
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CN202020890456.0U CN212375714U (zh) | 2020-05-25 | 2020-05-25 | 一种道路桥梁防撞护栏 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113073551A (zh) * | 2021-05-18 | 2021-07-06 | 娄琼慧 | 一种安全性高使用寿命长的道路桥梁护栏 |
CN113250079A (zh) * | 2021-05-26 | 2021-08-13 | 山东省公路桥梁建设有限公司 | 一种公路桥梁用防撞护栏 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113073551A (zh) * | 2021-05-18 | 2021-07-06 | 娄琼慧 | 一种安全性高使用寿命长的道路桥梁护栏 |
CN113250079A (zh) * | 2021-05-26 | 2021-08-13 | 山东省公路桥梁建设有限公司 | 一种公路桥梁用防撞护栏 |
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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: 20210630 Address after: No. 32, Xinhua Street, Shenze County, Shijiazhuang City, Hebei Province Patentee after: Li Guohui Patentee after: Xu Qiang Patentee after: Wang Zengxian Patentee after: Cao Chenxi Patentee after: Ding Shuai Address before: No. 32, Xinhua Street, Shenze County, Shijiazhuang City, Hebei Province Patentee before: Zeng Qunhui |
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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: 20210119 Termination date: 20210525 |