CN207177742U - 一种可在卵砾石层中钻进的搅拌桩螺旋钻钻头 - Google Patents
一种可在卵砾石层中钻进的搅拌桩螺旋钻钻头 Download PDFInfo
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CN201721181557.5U CN207177742U (zh) | 2017-09-14 | 2017-09-14 | 一种可在卵砾石层中钻进的搅拌桩螺旋钻钻头 |
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CN201721181557.5U CN207177742U (zh) | 2017-09-14 | 2017-09-14 | 一种可在卵砾石层中钻进的搅拌桩螺旋钻钻头 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110280811A (zh) * | 2019-07-01 | 2019-09-27 | 岳庆峰 | 整体全耗自补式组合钻具的方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110280811A (zh) * | 2019-07-01 | 2019-09-27 | 岳庆峰 | 整体全耗自补式组合钻具的方法 |
CN110280811B (zh) * | 2019-07-01 | 2020-09-11 | 河北锐石钻头制造有限公司 | 整体全耗自补式组合钻具的制作方法 |
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Address after: 518000 Room 501, building a, innovation building, 198 Daxin Road, majialong community, Nantou street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: Zhongdi Junhao Hi Tech Co.,Ltd. Address before: 150070 No. 2401, 24 / F, West building, Huizhi Plaza, No. 399, Qunli Fourth Avenue, Daoli District, Harbin City, Heilongjiang Province Patentee before: ZHONGDI JUNHAO CONSTRUCTION ENGINEERING Co.,Ltd. |
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Address after: 518000 b1-701-21, building B, Kexing Science Park, 15 Keyuan Road, Science Park community, Yuehai street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: Zhongdi Junhao Hi Tech Co.,Ltd. Address before: 518000 Room 501, building a, innovation building, 198 Daxin Road, majialong community, Nantou street, Nanshan District, Shenzhen City, Guangdong Province Patentee before: Zhongdi Junhao Hi Tech Co.,Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180403 |
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CF01 | Termination of patent right due to non-payment of annual fee |