CN208996763U - A kind of mine down-hole tunnel driving automatic drain system - Google Patents
A kind of mine down-hole tunnel driving automatic drain system Download PDFInfo
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- CN208996763U CN208996763U CN201821034434.3U CN201821034434U CN208996763U CN 208996763 U CN208996763 U CN 208996763U CN 201821034434 U CN201821034434 U CN 201821034434U CN 208996763 U CN208996763 U CN 208996763U
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CN201821034434.3U CN208996763U (en) | 2018-07-02 | 2018-07-02 | A kind of mine down-hole tunnel driving automatic drain system |
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CN201821034434.3U CN208996763U (en) | 2018-07-02 | 2018-07-02 | A kind of mine down-hole tunnel driving automatic drain system |
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CN208996763U true CN208996763U (en) | 2019-06-18 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113338938A (en) * | 2021-04-21 | 2021-09-03 | 紫金矿业集团股份有限公司 | Safety control method for open-pit and underground collaborative mining of metal mine |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113338938A (en) * | 2021-04-21 | 2021-09-03 | 紫金矿业集团股份有限公司 | Safety control method for open-pit and underground collaborative mining of metal mine |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 210039 new building, Zhonghua Gate, Yuhuatai District, Jiangsu, Nanjing Patentee after: Nanjing Baodi Meishan Industrial City Development Co.,Ltd. Patentee after: SHANGHAI MEISHAN IRON & STEEL Co.,Ltd. Address before: 210039 new building, Zhonghua Gate, Yuhuatai District, Jiangsu, Nanjing Patentee before: NANJING MEISHAN METALLURGY DEVELOPMENT Co.,Ltd. Patentee before: SHANGHAI MEISHAN IRON & STEEL Co.,Ltd. |
|
CP01 | Change in the name or title of a patent holder | ||
TR01 | Transfer of patent right |
Effective date of registration: 20211109 Address after: 210039 new building, Zhonghua Gate, Yuhuatai District, Jiangsu, Nanjing Patentee after: Nanjing Baodi Meishan Industrial City Development Co.,Ltd. Address before: 210039 new building, Zhonghua Gate, Yuhuatai District, Jiangsu, Nanjing Patentee before: Nanjing Baodi Meishan Industrial City Development Co.,Ltd. Patentee before: SHANGHAI MEISHAN IRON & STEEL Co.,Ltd. |
|
TR01 | Transfer of patent right |