CN210738477U - 金刚石锚杆钻头 - Google Patents
金刚石锚杆钻头 Download PDFInfo
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- CN210738477U CN210738477U CN201921337684.9U CN201921337684U CN210738477U CN 210738477 U CN210738477 U CN 210738477U CN 201921337684 U CN201921337684 U CN 201921337684U CN 210738477 U CN210738477 U CN 210738477U
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- drill bit
- diamond
- auxiliary
- shaft
- connecting pipe
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CN201921337684.9U CN210738477U (zh) | 2019-08-19 | 2019-08-19 | 金刚石锚杆钻头 |
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CN201921337684.9U CN210738477U (zh) | 2019-08-19 | 2019-08-19 | 金刚石锚杆钻头 |
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CN210738477U true CN210738477U (zh) | 2020-06-12 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112177536A (zh) * | 2020-09-03 | 2021-01-05 | 祁东县锋速钻探工具有限公司 | 一种可减轻钻具堵塞的金刚石地质钻头 |
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2019
- 2019-08-19 CN CN201921337684.9U patent/CN210738477U/zh active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112177536A (zh) * | 2020-09-03 | 2021-01-05 | 祁东县锋速钻探工具有限公司 | 一种可减轻钻具堵塞的金刚石地质钻头 |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20211118 Address after: 273500 west of middle section of West Outer Ring Road, Zoucheng City, Jining City, Shandong Province Patentee after: ZOUCHENG YANKUANG TAIDE INDUSTRY & TRADE Co.,Ltd. Address before: No.1860, middle section of xiwaihuan Road, Zoucheng City, Jining City, Shandong Province Patentee before: SHANDONG YUANYUNTONG MINING EQUIPMENT SCIENCE AND TECHNOLOGY Co.,Ltd. |
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TR01 | Transfer of patent right | ||
CP03 | Change of name, title or address |
Address after: 272000 West Section of West Outer Ring Road, Zoucheng City, Jining City, Shandong Province Patentee after: Shandong Yanneng Taide Heavy Industry Co.,Ltd. Address before: 273500 west of middle section of West Outer Ring Road, Zoucheng City, Jining City, Shandong Province Patentee before: ZOUCHENG YANKUANG TAIDE INDUSTRY & TRADE Co.,Ltd. |
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CP03 | Change of name, title or address |