CN214602817U - 一种钢箱梁制造施工用焊接工装 - Google Patents
一种钢箱梁制造施工用焊接工装 Download PDFInfo
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Address after: 671000 No. 19, Yunling Avenue, Dali Economic Development Zone, Dali City, Dali Bai Autonomous Prefecture, Yunnan Province Patentee after: Yunnan Chuda Expressway Investment Development Co.,Ltd. Patentee after: NANTONG ZHENHUA HEAVY EQUIPMENT MANUFACTURING Co.,Ltd. Patentee after: SHANGHAI ZHENHUA HEAVY INDUSTRIES Co.,Ltd. Address before: 226000 No.1 Jiangjing Road, Nantong Economic and Technological Development Zone, Jiangsu Province Patentee before: NANTONG ZHENHUA HEAVY EQUIPMENT MANUFACTURING Co.,Ltd. Patentee before: SHANGHAI ZHENHUA HEAVY INDUSTRIES Co.,Ltd. Patentee before: Yunnan Chuda Expressway Investment Development Co.,Ltd. |
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CB03 | Change of inventor or designer information | ||
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Inventor after: Zhong Mingwen Inventor after: Gao Jitao Inventor after: Cao Zhiye Inventor after: Li Longjian Inventor after: Xu Yan Inventor after: Cai Pengfei Inventor after: Zhang Dan Inventor after: Zhang Xiaoliang Inventor after: Wang Hongwu Inventor before: Gao Jitao Inventor before: Cao Zhiye Inventor before: Zhong Mingwen Inventor before: Li Longjian Inventor before: Xu Yan Inventor before: Cai Pengfei Inventor before: Zhang Dan Inventor before: Zhang Xiaoliang Inventor before: Wang Hongwu |