CN201554418U - 一种钻孔防突水装置及采用该装置的钻孔机 - Google Patents
一种钻孔防突水装置及采用该装置的钻孔机 Download PDFInfo
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- CN201554418U CN201554418U CN2009202225470U CN200920222547U CN201554418U CN 201554418 U CN201554418 U CN 201554418U CN 2009202225470 U CN2009202225470 U CN 2009202225470U CN 200920222547 U CN200920222547 U CN 200920222547U CN 201554418 U CN201554418 U CN 201554418U
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CN2009202225470U CN201554418U (zh) | 2009-09-24 | 2009-09-24 | 一种钻孔防突水装置及采用该装置的钻孔机 |
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CN2009202225470U CN201554418U (zh) | 2009-09-24 | 2009-09-24 | 一种钻孔防突水装置及采用该装置的钻孔机 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104196484A (zh) * | 2014-07-09 | 2014-12-10 | 新汶矿业集团有限责任公司 | 矿井钻孔泄压时的防喷冲施工方法 |
CN107664018A (zh) * | 2017-10-18 | 2018-02-06 | 中煤隧道工程有限公司 | 一种水平和倾斜钻孔用自控防喷装置及安装、使用方法 |
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- 2009-09-24 CN CN2009202225470U patent/CN201554418U/zh not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104196484A (zh) * | 2014-07-09 | 2014-12-10 | 新汶矿业集团有限责任公司 | 矿井钻孔泄压时的防喷冲施工方法 |
CN104196484B (zh) * | 2014-07-09 | 2017-01-04 | 新汶矿业集团有限责任公司 | 矿井钻孔泄压时的防喷冲施工方法 |
CN107664018A (zh) * | 2017-10-18 | 2018-02-06 | 中煤隧道工程有限公司 | 一种水平和倾斜钻孔用自控防喷装置及安装、使用方法 |
CN107664018B (zh) * | 2017-10-18 | 2024-04-26 | 中煤隧道工程有限公司 | 一种水平和倾斜钻孔用自控防喷装置及安装、使用方法 |
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Owner name: CHINA HUAYE TECHNOLOGY AND INDUSTRY GROUP CO., LTD Free format text: FORMER OWNER: MCC HUAYE RESOURCES DEVELOPMENT CO., LTD. Effective date: 20101203 |
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Free format text: CORRECT: ADDRESS; FROM: 100176 TOWER B2, NO.1, KANGDING STREET, BEIJING ECONOMIC AND TECHNOLOGICAL DEVELOPMENT ZONE, BEIJING TO: 100176 TOWER B2, NO.1, KANGDING STREET, ECONOMIC AND TECHNOLOGICAL DEVELOPMENT ZONE, BEIJING |
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Effective date of registration: 20101203 Address after: 100176 block B2, 1 Kangding street, Beijing economic and Technological Development Zone Patentee after: China Huaye Technology and Industry Group Co., Ltd. Address before: 100176, No. 1, Kangding street, Beijing economic and Technological Development Zone, Beijing, B2 Patentee before: MCC Huaye Resources Development Co., Ltd. |
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CX01 | Expiry of patent term |
Granted publication date: 20100818 |
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CX01 | Expiry of patent term |