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Hoisting equipment used for broadband mobile communication station construction
Multifunctional automobile air conditioner with high efficiency and low energy consumption
Rapid transverse connecting mechanism of frame of self-loading and unloading semitrailer
Semitrailer capable of automatically loading and unloading goods
Slave mechanism for restraining connecting wires of semitrailer and tractor
Zero-gravity automobile seat framework of integrated safety belt
Zero-gravity linkage adjusting mechanism for backrest and cushion of automobile seat