CN211523443U - 一种下水井防护并用排水装置 - Google Patents
一种下水井防护并用排水装置 Download PDFInfo
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CN201921922429.0U CN211523443U (zh) | 2019-11-08 | 2019-11-08 | 一种下水井防护并用排水装置 |
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CN112456668A (zh) * | 2020-12-04 | 2021-03-09 | 广东九潮建设有限公司 | 一种用于河流水质净化的堤坝结构 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112456668A (zh) * | 2020-12-04 | 2021-03-09 | 广东九潮建设有限公司 | 一种用于河流水质净化的堤坝结构 |
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CB03 | Change of inventor or designer information |
Inventor after: Zhang Jilong Inventor after: Zhou Yingqian Inventor after: Yuan Cheng Inventor after: Ma Yanying Inventor after: Cheng Xiaoping Inventor before: Cheng Xiaoping |
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CB03 | Change of inventor or designer information | ||
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Effective date of registration: 20240325 Address after: 556000 Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou Province, Kaili City, Xiaogaoshan Road, Yijing Gaoshan Building 6-11, 3rd to 1st floor, 2nd floor, 2nd to 5th storefront Patentee after: Guizhou Ruifeng Construction Engineering Co.,Ltd. Country or region after: China Address before: No. 195 Taiping Street, Tianwait County, Chongzuo City, Guangxi Zhuang Autonomous Region, 532800 Patentee before: Cheng Xiaoping Country or region before: China |
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