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Archive | 2014

Steel plate de-wrinkling and smoothing device for spiral pipe welding machine

Chen Jingxin; He Guohua; Qin Yongfa; Ma Xiang; Zhu Zhida; Li Hong; Zhou Qing

Archive | 2014

Spiral weld-pipe mill socket ring locating device

He Guohua; Chen Jingxin; Ma Xiang; Qin Yongfa; Chen Qiyin; Li Hong; Zhou Qing

Archive | 2014

Spiral weld-pipe mill steel plate portion-to-be-welded degreasing device

He Guohua; Chen Jingxin; Ma Xiang; Qin Yongfa; Zhu Zhida; Li Hong; Liu Tao

Archive | 2017

Vertical lateral extrusion tuber bellmouth device

Chen Jingxin; Chen Xinwen; Li Hong; Teng Zeng

Archive | 2017

Unit head transmission of vertical lateral extrusion tuber

Chen Jingxin; Chen Xinwen; Li Hong; Yuan Jingyun; Zeng Qingxi

Archive | 2017

Vertical lateral extrusion tuber mould

Chen Jingxin; Chen Xinwen; Li Hong; Teng Zeng

Archive | 2014

Spiral pipe welder spigot ring positioning device

He Guohua; Chen Jingxin; Ma Xiang; Qin Yongfa; Chen Qiyin; Li Hong; Zhou Qing

Archive | 2014

Oil removal device for to-be-welded parts of steel plate for spiral pipe welding machine

He Guohua; Chen Jingxin; Ma Xiang; Qin Yongfa; Zhu Zhida; Li Hong; Liu Tao

Archive | 2014

Large mechanism lead rail device

Chen Jingxin; Qin Yongfa; Li Hong; Wang Changlong; Li Huilong; Zhou Qing

Archive | 2014

Steel plate fold removing and flatting device on spiral pipe welder

Chen Jingxin; He Guohua; Qin Yongfa; Ma Xiang; Zhu Zhida; Li Hong; Zhou Qing

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