CN206986891U - 旋挖式清桩钻头 - Google Patents
旋挖式清桩钻头 Download PDFInfo
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- CN206986891U CN206986891U CN201720492285.4U CN201720492285U CN206986891U CN 206986891 U CN206986891 U CN 206986891U CN 201720492285 U CN201720492285 U CN 201720492285U CN 206986891 U CN206986891 U CN 206986891U
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CN201720492285.4U CN206986891U (zh) | 2017-05-05 | 2017-05-05 | 旋挖式清桩钻头 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111005686A (zh) * | 2018-12-27 | 2020-04-14 | 中国二十冶集团有限公司 | 干成孔清渣钻头及其使用方法 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111005686A (zh) * | 2018-12-27 | 2020-04-14 | 中国二十冶集团有限公司 | 干成孔清渣钻头及其使用方法 |
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Effective date of registration: 20200824 Address after: Room 307, building 16, No. 4588, Honghai Road, Sanxing Town, Chongming District, Shanghai Patentee after: SHANGHAI YUANFENG UNDERGROUND ENGINEERING TECHNOLOGY Co.,Ltd. Address before: 201715 Shanghai City Liantang Town Qingpu district chapter Liantang road 588 Lane Building 1 J zone 1 room 107 Patentee before: SHANGHAI YIQIAN GEOTECHNICAL ENGINEERING Co.,Ltd. |
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TR01 | Transfer of patent right | ||
CP02 | Change in the address of a patent holder |
Address after: 201600 Building 1, 1128 Wenhui Road, Songjiang District, Shanghai Patentee after: SHANGHAI YUANFENG UNDERGROUND ENGINEERING TECHNOLOGY Co.,Ltd. Address before: Room 307, building 16, 4588 Honghai Road, Sanxing Town, Chongming District, Shanghai 202152 Patentee before: SHANGHAI YUANFENG UNDERGROUND ENGINEERING TECHNOLOGY Co.,Ltd. |
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CP02 | Change in the address of a patent holder |