CN215979190U - 一种用于岩土工程的钻探装置 - Google Patents
一种用于岩土工程的钻探装置 Download PDFInfo
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Effective date of registration: 20220826 Address after: 2-6-5, No. 13, Qingcheng Village, Gouyan Town, Dashiqiao City, Yingkou City, Liaoning Province 115100 Patentee after: Li Bo Patentee after: Shi Shaoshuai Patentee after: Zhu Qiaoyi Patentee after: Chen Lili Patentee after: Wang Yan Address before: 528500 No. 29, Yucai 1st lane, Yucai Road, Hecheng street, Gaoming District, Foshan City, Guangdong Province Patentee before: Wu Ziyou Patentee before: Luo Huan Patentee before: Zhang Dexiang Patentee before: Zhang Zhenlin Patentee before: Yan Hongfang Patentee before: Zhou Liang |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220308 |