Turnover sleeve assembly and connecting structure thereof for formwork inner support
LIU XIAOKANG, JI HOULU, MIAO YANZHEN, SONG JUNCAI, ZHAO PENGYANG, CHEN HONGXIN, CUI TIANYOU, WANG YUQIN, QIN LUODAN
Year of Publication 11.02.2022
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Year of Publication 11.02.2022
Patent