Flood prevention box convenient to install
NING JIANHUA, WANG MINGCHENG, ZHOU CHUNHUI, ZHANG XINFENG, LI WEI, ZHAI SHASHA, NIU SHUHONG
Year of Publication 10.10.2023
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Year of Publication 10.10.2023
Patent
Trench digging machine convenient for cleaning waste materials
NING JIANHUA, WANG MINGCHENG, ZHOU CHUNHUI, ZHOU SHUBIN, NIU SHUHONG, LI XUEYING
Year of Publication 01.08.2023
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Year of Publication 01.08.2023
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Anti-blocking dredging system for municipal road engineering
NING JIANHUA, LI SI, LI GUANGHUI, NIU SHUHONG, ZHANG QIANG, ZHAO JIAQIANG
Year of Publication 05.11.2021
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Year of Publication 05.11.2021
Patent