CN207776788U - 超低空全套管全回转钻机 - Google Patents
超低空全套管全回转钻机 Download PDFInfo
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CN201721737636.XU CN207776788U (zh) | 2017-12-12 | 2017-12-12 | 超低空全套管全回转钻机 |
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CN201721737636.XU CN207776788U (zh) | 2017-12-12 | 2017-12-12 | 超低空全套管全回转钻机 |
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CN207776788U true CN207776788U (zh) | 2018-08-28 |
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Cited By (1)
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CN114753366A (zh) * | 2022-04-07 | 2022-07-15 | 中铁二十二局集团有限公司 | 钻孔灌注桩组合拔除施工方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114753366A (zh) * | 2022-04-07 | 2022-07-15 | 中铁二十二局集团有限公司 | 钻孔灌注桩组合拔除施工方法 |
CN114753366B (zh) * | 2022-04-07 | 2024-01-02 | 中铁二十二局集团有限公司 | 钻孔灌注桩组合拔除施工方法 |
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GR01 | Patent grant | ||
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TR01 | Transfer of patent right |
Effective date of registration: 20200604 Address after: 221140 No. 8 Tongfa Road, Quanshan Economic Development Zone, Xuzhou City, Jiangsu Province Patentee after: Xuzhou Dun'an Construction Machinery Manufacturing Co.,Ltd. Address before: 1-6 No. 221140 Jiangsu city of Xuzhou Province era North Development Zone Quanshan District Road Patentee before: XUZHOU DUN'AN HEAVY INDUSTRY MACHINERY MANUFACTURING Co.,Ltd. |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210817 Address after: 201901 5 / F, 6 / F, building 5, No. 258, Yangnan Road, Baoshan District, Shanghai Patentee after: SHANGHAI ENGINEERING MACHINERY Co.,Ltd. Address before: 221140 No.8 Tongfa Road, Quanzhou Economic Development Zone, Quanzhou District, Xuzhou City, Jiangsu Province Patentee before: Xuzhou Dun'an Construction Machinery Manufacturing Co.,Ltd. |
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TR01 | Transfer of patent right |