CN214699629U - 一种市政管道无缝连接结构 - Google Patents
一种市政管道无缝连接结构 Download PDFInfo
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Effective date of registration: 20221221 Address after: No. 007, Group 5, Tiancun, Xiamiao Town, Huazhou District, Weinan City, Shaanxi Province, 714000 Patentee after: Zhang Yawen Address before: No.220 Fushan Road, Panyu District, Guangzhou, Guangdong 510000 Patentee before: Lei Huoying |
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Effective date of registration: 20230105 Address after: 714000 Room 1601, 16/F, Building 2, Zilan Xinduhui, 100 meters west of Cangcheng Road, Linwei District, Weinan City, Shaanxi Province Patentee after: Shaanxi Zhuoyang Construction Engineering Co.,Ltd. Address before: No. 007, Group 5, Tiancun, Xiamiao Town, Huazhou District, Weinan City, Shaanxi Province, 714000 Patentee before: Zhang Yawen |
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