CN216615610U - 一种路桥防撞保护装置 - Google Patents
一种路桥防撞保护装置 Download PDFInfo
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CB03 | Change of inventor or designer information |
Inventor after: Ding Cunyu Inventor after: Ren Changli Inventor after: Li Guofeng Inventor after: Zheng Xinjuan Inventor before: Li Guofeng Inventor before: Zheng Xinjuan |
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CB03 | Change of inventor or designer information | ||
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Effective date of registration: 20230404 Address after: 063000 Yasongju 3-1-702, Lubei District, Tangshan City, Hebei Province Patentee after: Ding Cunyu Address before: 261000 Jiangshan Dijing, Sunjia community, Dayu street, Kuiwen District, Weifang City, Shandong Province Patentee before: Li Guofeng |
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TR01 | Transfer of patent right |