CN208441874U - 用于隧道的锁脚锚杆导向及格栅钢架测量的装置 - Google Patents
用于隧道的锁脚锚杆导向及格栅钢架测量的装置 Download PDFInfo
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CN109944553A (zh) * | 2019-04-18 | 2019-06-28 | 中铁十四局集团大盾构工程有限公司 | 一种用于岩壁梁爆破施工的钻孔辅助装置及其钻孔方法 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109944553A (zh) * | 2019-04-18 | 2019-06-28 | 中铁十四局集团大盾构工程有限公司 | 一种用于岩壁梁爆破施工的钻孔辅助装置及其钻孔方法 |
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GR01 | Patent grant | ||
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CP01 | Change in the name or title of a patent holder | ||
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Address after: Jinniu District Kam Tong Road Chengdu city Sichuan province 610031 No. 16 Co-patentee after: CHINA RAILWAY ERJU SECOND ENGINEERING CO.,LTD. Patentee after: China Railway Second Bureau Construction Co.,Ltd. Co-patentee after: CHINA RAILWAY Group Ltd. Address before: Jinniu District Kam Tong Road Chengdu city Sichuan province 610031 No. 16 Co-patentee before: CHINA RAILWAY ERJU SECOND ENGINEERING CO.,LTD. Patentee before: CHINA RAILWAY NO.2 ENGINEERING GROUP Co.,Ltd. Co-patentee before: CHINA RAILWAY Group Ltd. |
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Effective date of registration: 20190814 Address after: Jinniu District Kam Tong Road Chengdu city Sichuan province 610031 No. 16 Co-patentee after: CHINA RAILWAY ERJU SECOND ENGINEERING CO.,LTD. Patentee after: CHINA RAILWAY NO.2 ENGINEERING GROUP Co.,Ltd. Co-patentee after: CHINA RAILWAY Group Ltd. Address before: Jinniu District Kam Tong Road Chengdu city Sichuan province 610031 No. 16 Co-patentee before: CHINA RAILWAY ERJU SECOND ENGINEERING CO.,LTD. Patentee before: China Railway Second Bureau Construction Co.,Ltd. Co-patentee before: CHINA RAILWAY Group Ltd. |