CN204457778U - 用于顶管顶进遇阻清障的椭圆形逆作竖井 - Google Patents
用于顶管顶进遇阻清障的椭圆形逆作竖井 Download PDFInfo
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- CN204457778U CN204457778U CN201520024209.1U CN201520024209U CN204457778U CN 204457778 U CN204457778 U CN 204457778U CN 201520024209 U CN201520024209 U CN 201520024209U CN 204457778 U CN204457778 U CN 204457778U
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- vertical shaft
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CN201520024209.1U CN204457778U (zh) | 2015-01-14 | 2015-01-14 | 用于顶管顶进遇阻清障的椭圆形逆作竖井 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105569073A (zh) * | 2015-12-24 | 2016-05-11 | 福建省电力勘测设计院 | 悬挂式变壁厚椭圆形逆作竖井及其变壁厚整定方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105569073A (zh) * | 2015-12-24 | 2016-05-11 | 福建省电力勘测设计院 | 悬挂式变壁厚椭圆形逆作竖井及其变壁厚整定方法 |
CN105569073B (zh) * | 2015-12-24 | 2018-03-27 | 福建省电力勘测设计院 | 悬挂式变壁厚椭圆形逆作竖井及其变壁厚整定方法 |
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Legal Events
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee after: STATE GRID FUJIAN ELECTRIC POWER Co.,Ltd. Patentee after: State Grid Corporation of China Co-patentee after: STATE GRID FUJIAN ECONOMIC Research Institute Co-patentee after: POWERCHINA FUJIAN ELECTRIC POWER SURVEY & DESIGN INSTITUTE Co.,Ltd. Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee before: STATE GRID FUJIAN ELECTRIC POWER Co.,Ltd. Patentee before: State Grid Corporation of China Co-patentee before: STATE GRID FUJIAN ECONOMIC Research Institute Co-patentee before: FUJIAN ELECTRIC POWER SURVEY & DESIGN INSTITUTE |
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CP01 | Change in the name or title of a patent holder | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20220114 |
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CF01 | Termination of patent right due to non-payment of annual fee |