CN211524701U - 一种交通工程用钻孔机 - Google Patents
一种交通工程用钻孔机 Download PDFInfo
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- CN211524701U CN211524701U CN201922205791.2U CN201922205791U CN211524701U CN 211524701 U CN211524701 U CN 211524701U CN 201922205791 U CN201922205791 U CN 201922205791U CN 211524701 U CN211524701 U CN 211524701U
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Li Nan Inventor after: Ye Yuanfang Inventor before: Ye Yuanfang |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220706 Address after: 272000 room 406, unit 3, building 28, Jixiang community, No. 4, Xianqian street, Shizhong District, Jining City, Shandong Province Patentee after: Li Nan Address before: 201499 Shanghai Yunfan Municipal Construction Engineering Co., Ltd., room 3334, building 6, No. 5995, Daye highway, Fengxian District, Shanghai Patentee before: Ye Yuanfang |