CN104989287B - 一种多用途钻杆 - Google Patents
一种多用途钻杆 Download PDFInfo
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- CN104989287B CN104989287B CN201510331230.0A CN201510331230A CN104989287B CN 104989287 B CN104989287 B CN 104989287B CN 201510331230 A CN201510331230 A CN 201510331230A CN 104989287 B CN104989287 B CN 104989287B
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CN201510331230.0A CN104989287B (zh) | 2014-12-02 | 2015-06-16 | 一种多用途钻杆 |
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CN201410720213 | 2014-12-02 | ||
CN2014107202131 | 2014-12-02 | ||
CN201510331230.0A CN104989287B (zh) | 2014-12-02 | 2015-06-16 | 一种多用途钻杆 |
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CN104989287A CN104989287A (zh) | 2015-10-21 |
CN104989287B true CN104989287B (zh) | 2017-03-29 |
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Families Citing this family (1)
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CN106121544B (zh) * | 2016-08-15 | 2019-08-02 | 中国电建集团贵阳勘测设计研究院有限公司 | 一种用于地应力测试的锥磨一体式钻头 |
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Publication number | Priority date | Publication date | Assignee | Title |
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GB328629A (en) * | 1929-01-30 | 1930-04-30 | William Richard Macdonald | Improvements in or relating to deep drilling apparatus |
CN101864895A (zh) * | 2010-06-04 | 2010-10-20 | 中国地质大学(北京) | 洞室潜孔锤双壁管正循环钻孔除尘技术 |
CN103147708A (zh) * | 2013-03-27 | 2013-06-12 | 中国水利水电第七工程局成都水电建设工程有限公司 | 一种贯通式潜孔锤反循环钻进集尘装置 |
CN103628824A (zh) * | 2013-11-05 | 2014-03-12 | 成都晟鑫机电设备有限公司 | 一体化钻割钻杆 |
CN204729016U (zh) * | 2015-06-16 | 2015-10-28 | 成都宸鸿科技有限公司 | 一种多用途钻杆 |
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Effective date of registration: 20170608 Address after: 510000 unit 2414-2416, building, No. five, No. 371, Tianhe District, Guangdong, China Patentee after: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: 611731 Chengdu province high tech Zone, the South Ring Road No. three, No. 1, building 80, building 7 Patentee before: CHENGDU CHENHONG TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20170619 Address after: 226200 No. 101 Nanhai Road, Qidong Binhai Industrial Park, Jiangsu, Nantong, China Patentee after: Qidong Fupingda mechanical equipment Co.,Ltd. Address before: 510000 unit 2414-2416, building, No. five, No. 371, Tianhe District, Guangdong, China Patentee before: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Effective date of registration: 20170619 Address after: 510000 unit 2414-2416, building, No. five, No. 371, Tianhe District, Guangdong, China Patentee after: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: 611731 Chengdu province high tech Zone, the South Ring Road No. three, No. 1, building 80, building 7 Patentee before: CHENGDU CHENHONG TECHNOLOGY Co.,Ltd. |
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