CN208395815U - 一种自旋式可回收土层锚杆结构 - Google Patents
一种自旋式可回收土层锚杆结构 Download PDFInfo
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- CN208395815U CN208395815U CN201820875895.7U CN201820875895U CN208395815U CN 208395815 U CN208395815 U CN 208395815U CN 201820875895 U CN201820875895 U CN 201820875895U CN 208395815 U CN208395815 U CN 208395815U
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- screw rod
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- spiral shell
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CN201820875895.7U CN208395815U (zh) | 2018-06-07 | 2018-06-07 | 一种自旋式可回收土层锚杆结构 |
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CN201820875895.7U CN208395815U (zh) | 2018-06-07 | 2018-06-07 | 一种自旋式可回收土层锚杆结构 |
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CN201820875895.7U Expired - Fee Related CN208395815U (zh) | 2018-06-07 | 2018-06-07 | 一种自旋式可回收土层锚杆结构 |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP02 | Change in the address of a patent holder |
Address after: 211700 No. 62 Huaihe East Road, Xucheng Street, Xuyi County, Huaian City, Jiangsu Province Patentee after: Wu Lizhen Address before: 514745 Bali, Songxi Village, Baidu Town, Meizhou City, Guangdong Province Patentee before: Wu Lizhen |
|
CP02 | Change in the address of a patent holder | ||
TR01 | Transfer of patent right |
Effective date of registration: 20191111 Address after: 311400 new bridge, Gaoqiao village, Yinhu street, Fuyang District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou mingzun Technology Co.,Ltd. Address before: 211700 No. 62 Huaihe East Road, Xucheng Street, Xuyi County, Huaian City, Jiangsu Province Patentee before: Wu Lizhen |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190118 |
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CF01 | Termination of patent right due to non-payment of annual fee |