CN205966834U - 螺旋式矩形管道制作装置 - Google Patents
螺旋式矩形管道制作装置 Download PDFInfo
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Inventor after: Zheng Hewu Inventor after: Zhang Nailin Inventor after: Shi Yundong Inventor after: Liang Yonghui Inventor after: Liu Shenghe Inventor after: Zheng Zhongshan Inventor after: Liu Donglian Inventor after: Zheng Ruifeng Inventor after: Zhang Entao Inventor after: Zhu Xuesong Inventor after: Wang Di Inventor after: Xin Bing Inventor after: Guo Mingliang Inventor after: Zhang Guofeng Inventor after: Luo Haigui Inventor after: Zhu Jianxin Inventor after: Li Xin Inventor after: Lu Yupeng Inventor after: Zhang Xiaoying Inventor after: Li Jingfeng Inventor after: Yang Lei Inventor before: Zheng Hewu Inventor before: Zhang Nailin Inventor before: Shi Yundong Inventor before: Liang Yonghui Inventor before: Liu Shenghe Inventor before: Zheng Zhongshan Inventor before: Liu Donglian Inventor before: Zheng Ruifeng Inventor before: Zhang Entao Inventor before: Zhu Xuesong Inventor before: Wang Di Inventor before: Xin Bing Inventor before: Guo Mingliang Inventor before: Luo Haigui Inventor before: Zhu Jianxin Inventor before: Li Xin Inventor before: Lu Yupeng Inventor before: Zhang Xiaoying Inventor before: Li Jingfeng Inventor before: Yang Lei |
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CB03 | Change of inventor or designer information |