CN208072467U - 一种市政用的井内作业防护结构 - Google Patents
一种市政用的井内作业防护结构 Download PDFInfo
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- CN208072467U CN208072467U CN201820173577.6U CN201820173577U CN208072467U CN 208072467 U CN208072467 U CN 208072467U CN 201820173577 U CN201820173577 U CN 201820173577U CN 208072467 U CN208072467 U CN 208072467U
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CN201820173577.6U CN208072467U (zh) | 2018-02-01 | 2018-02-01 | 一种市政用的井内作业防护结构 |
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Effective date of registration: 20190531 Address after: 510665 No. 1 Courtyard, No. 23 and No. 24, Yuancun Siheng Road, Tianhe District, Guangzhou City, Guangdong Province Patentee after: Guangdong Xinda Construction Co.,Ltd. Address before: 510000 B1B2, one, two, three and four floors of the podium building 231 and 233, science Avenue, Guangzhou, Guangdong. Patentee before: BOAO ZONGHENG NETWORK TECHNOLOGY Co.,Ltd. Effective date of registration: 20190531 Address after: 510000 B1B2, one, two, three and four floors of the podium building 231 and 233, science Avenue, Guangzhou, Guangdong. Patentee after: BOAO ZONGHENG NETWORK TECHNOLOGY Co.,Ltd. Address before: 312500 81 Liquan village, Qixing street, Xinchang, Shaoxing, Zhejiang Patentee before: XINCHANG HONGJI ELECTRONIC TECHNOLOGY Co.,Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181109 |
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CF01 | Termination of patent right due to non-payment of annual fee |