LH

Leiying He

S( Safekey Engineering Technology (Zhengzhou): 1 patents #20 of 39Top 55%
Overall (All Time): #3,047,366 of 4,157,543Top 75%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9004820 Grouting method for anchoring with polymer Fuming Wang, Mingsheng Shi, Chengchao Guo, Hongliang Chen, Dongkai Zhao 2015-04-14