CN208280132U - 一种正反向等径螺杆桩和钻具 - Google Patents
一种正反向等径螺杆桩和钻具 Download PDFInfo
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- CN208280132U CN208280132U CN201820553811.8U CN201820553811U CN208280132U CN 208280132 U CN208280132 U CN 208280132U CN 201820553811 U CN201820553811 U CN 201820553811U CN 208280132 U CN208280132 U CN 208280132U
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Cited By (1)
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CN108343055A (zh) * | 2018-04-18 | 2018-07-31 | 卓典机器人(海南)有限公司 | 一种正反向等径螺杆桩和钻具及其成桩工法 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108343055A (zh) * | 2018-04-18 | 2018-07-31 | 卓典机器人(海南)有限公司 | 一种正反向等径螺杆桩和钻具及其成桩工法 |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhuodian Gaomai Construction Engineering (Guangdong) Co., Ltd. Assignor: Hainan Zhuodian High Technology Development Co., Ltd. Contract record no.: X2019980000063 Denomination of utility model: Forward and reverse equal diameter screw pile and drilling tool and pile-forming process method thereof Granted publication date: 20181225 License type: Common License Record date: 20190826 |
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EE01 | Entry into force of recordation of patent licensing contract | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhuodian Gaomai Construction Engineering (Guangdong) Co., Ltd. Assignor: Hainan Zhuodian High Technology Development Co., Ltd. Contract record no.: X2019980000073 Denomination of utility model: Forward and reverse equal diameter screw pile and drilling tool and pile-forming process method thereof Granted publication date: 20181225 License type: Common License Record date: 20190827 |
|
EE01 | Entry into force of recordation of patent licensing contract | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhuodian Gaomai Construction Engineering (Guangdong) Co., Ltd. Assignor: Hainan Zhuodian High Technology Development Co., Ltd. Contract record no.: X2019980000073 Denomination of utility model: Forward and reverse equal diameter screw pile and drilling tool and pile-forming process method thereof Granted publication date: 20181225 License type: Common License Record date: 20190827 |