Special-shaped frame column reinforcing device
LIU ZUSHENG, REN WENRUI, GUO DONGRONG, PENG HUI, YANG ZHIWEI, KANG FUMAN, WANG BIN, QIAO CHUNHUI, ZHAO AIHONG
Year of Publication 02.06.2023
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Year of Publication 02.06.2023
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Instrument formula elevator well protection operation platform
LIU ZUSHENG, REN WENRUI, GUO DONGRONG, KANG FUMAN, LIU HUA, BAI ZHONGCHANG, LI HAIXIA
Year of Publication 13.06.2017
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Year of Publication 13.06.2017
Patent