Navigation system and device capable of purifying in-car air
Intelligent bracelet integrating drunk driving prevention system
Numerical Simulation of Seismic Waves with Peak Arrival Time and Amplitude-Frequency Correlation
Numerical Simulation of Seismic Waves with Peak Arrival Time and Amplitude-Frequency Correlation
Low-cost safety balanced height regulating gantry crane
Lifter device capable of controlling transportation direction and feeding distance
Crane capable of stably assembling and disassembling precision mold
Lifter capable of carrying different types of articles
Self-balancing stair climbing equipment instead of walking
Self-extinguishing device capable of ensuring safety for building construction