CN205154031U - 一种用于施工混凝土钻孔灌注桩的钻头 - Google Patents
一种用于施工混凝土钻孔灌注桩的钻头 Download PDFInfo
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106368610A (zh) * | 2016-11-07 | 2017-02-01 | 赵宽学 | 钻桩机钻头 |
CN108843245A (zh) * | 2018-05-29 | 2018-11-20 | 上海宝冶集团有限公司 | 一种扩径钻头及桩基孔扩径方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106368610A (zh) * | 2016-11-07 | 2017-02-01 | 赵宽学 | 钻桩机钻头 |
CN108843245A (zh) * | 2018-05-29 | 2018-11-20 | 上海宝冶集团有限公司 | 一种扩径钻头及桩基孔扩径方法 |
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C14 | Grant of patent or utility model | ||
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TR01 | Transfer of patent right |
Effective date of registration: 20190110 Address after: 315800 room 9-168, Zhejiang Ningbo Free Trade Zone, Xing Nong mansion. Patentee after: Zhejiang Yitong Foundation Engineering Co. Ltd. Address before: 315800 12, 12 building, 10 East Port Road, Ningbo, Zhejiang. Patentee before: YITONG CONSTRUCTION CO., LTD. |
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TR01 | Transfer of patent right | ||
CP03 | Change of name, title or address |
Address after: 315800 Xingnong building, Ningbo Free Trade Zone, Zhejiang Province Patentee after: Zhejiang Yitong Special Foundation Engineering Co.,Ltd. Address before: 315800 room 9-168, Zhejiang Ningbo Free Trade Zone, Xing Nong mansion. Patentee before: ZHEJIANG YITONG FOUNDATION ENGINEERING Co.,Ltd. |
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CP03 | Change of name, title or address |