Tool for preventing flange type branch pipe seat from collapsing and deforming during welding
SHI HAIFENG, HE SHANJIE, ZHAO QINGZENG, WANG YUTANG, YIN QINGFENG, LIAN ZHIPING, SHENG SHENG, LI CHENLEI, WANG HOUWEI
Year of Publication 28.02.2023
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Year of Publication 28.02.2023
Patent