Portable labor-saving chain block
ZHANG BO, FANG YUCHAO, LIU QINGCHEN, WANG ZHONGLIANG, GE YUZENG, FU LICHANG
Year of Publication 15.09.2023
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Year of Publication 15.09.2023
Patent
Movable chain block structure
ZHANG BO, FANG YUCHAO, LIU QINGCHEN, ZHANG SHIJIE, GE YUZENG, FU LICHANG
Year of Publication 15.09.2023
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Year of Publication 15.09.2023
Patent