Auxiliary device for splicing steel box girders von YANG QUAN, YAO YU, ZUO SHUANG, QU KANGWEI, ZHOU JI, LI HAO, HAN WEI, HUO BENKANG, ZHANG JUNCHUAN, FANG WEI, YASUSHIDA, GUO ZHONG, LI YONGGUI, SONG RUI, ZUO DONGSHENG

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