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Inventor
CHEN FUXIANG
CN
2 patents
Patents
2 patents
US11555700B2
Jan 17, 2023
Quick fixing device for measuring tunnel peripheral convergence and application method thereof
CHANGAN UNIV
0 citations
41
US10767482B2
Sep 8, 2020
Rescue capsule for shelter in tunnel construction
CHANGAN UNIV
0 citations
26