CN209457880U - 一种地连墙螺旋取土钻头 - Google Patents
一种地连墙螺旋取土钻头 Download PDFInfo
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CN111197466A (zh) * | 2018-11-19 | 2020-05-26 | 上海城地建设股份有限公司 | 一种地连墙螺旋取土钻头 |
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CN111197466A (zh) * | 2018-11-19 | 2020-05-26 | 上海城地建设股份有限公司 | 一种地连墙螺旋取土钻头 |
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Address after: 201806, B, Lane 518, Lane 1, Heng Yong Road, Shanghai, Jiading District 502-1 Co-patentee after: SHANGHAI CHENGDI ROCK-SOIL DESIGN Co.,Ltd. Patentee after: Shanghai chengdixiangjiang Data Technology Co.,Ltd. Co-patentee after: Shanghai Jingdi Construction Engineering Co.,Ltd. Address before: 201806, B, Lane 518, Lane 1, Heng Yong Road, Shanghai, Jiading District 502-1 Co-patentee before: SHANGHAI CHENGDI ROCK-SOIL DESIGN Co.,Ltd. Patentee before: SHANGHAI CHENGDI CONSTRUCTION Co.,Ltd. Co-patentee before: Shanghai Jingdi Construction Engineering Co.,Ltd. |