CN210315526U - 提高灌注桩施工速度的钢套管 - Google Patents
提高灌注桩施工速度的钢套管 Download PDFInfo
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- CN210315526U CN210315526U CN201920987262.XU CN201920987262U CN210315526U CN 210315526 U CN210315526 U CN 210315526U CN 201920987262 U CN201920987262 U CN 201920987262U CN 210315526 U CN210315526 U CN 210315526U
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EE01 | Entry into force of recordation of patent licensing contract | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu Rong Rui Construction Technology Co.,Ltd. Assignor: NANJING FORESTRY University Contract record no.: X2020320000079 Denomination of utility model: Steel casing for improving construction speed of cast-in-place pile Granted publication date: 20200414 License type: Common License Record date: 20200925 |
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EE01 | Entry into force of recordation of patent licensing contract | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: HUADONG CONSTRUCTION CO., LTD. OF CHINA RAILWAY NO.3 ENGINEERING GROUP Co.,Ltd. Assignor: NANJING FORESTRY University Contract record no.: X2020320000089 Denomination of utility model: Steel casing for improving construction speed of cast-in-place pile Granted publication date: 20200414 License type: Common License Record date: 20201012 |