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person:("wang, jianhua")
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person:("yang, jianhua")
Equipment convenient for storing and transporting electronic components
Damping device of trough type heat collector transport vehicle
System and method for preventing substation crane from being touched by mistake
Remote control system and control method for hovercraft self-propelled model
On-orbit spacecraft propellant supplement autonomous control system
Outer water retaining structure of vehicle side window
Heat collector supporting wing operation tool in groove type photo-thermal power generation
Substation equipment installation and maintenance operation platform
Ball receiving and serving vehicle and method suitable for operation of inner detector
Overhauling platform for isolating switch safe operation