CN104864783B - 一种井下溜井揭开方法 - Google Patents
一种井下溜井揭开方法 Download PDFInfo
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CN107764144B (zh) * | 2017-10-17 | 2019-08-30 | 北京住总集团有限责任公司 | 一种隧道微差控制爆破方法 |
CN110793408B (zh) * | 2019-10-18 | 2021-12-14 | 甘肃酒钢集团宏兴钢铁股份有限公司 | 一种处理溜槽积矿的爆破方法 |
CN114688929A (zh) * | 2022-03-26 | 2022-07-01 | 铜陵有色金属集团股份有限公司 | 井下溜井新增支溜井的一次爆破施工方法 |
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CN1162690A (zh) * | 1996-04-12 | 1997-10-22 | 崔正洙 | 地下矿山采矿新工艺 |
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CN101832743B (zh) * | 2010-03-29 | 2013-04-03 | 中国华冶科工集团有限公司 | 溜井破顶爆破方法 |
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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. |
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Effective date of registration: 20211102 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. |
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