Parking space monitoring device, array, vehicular device and vehicle management method
Automatic drinking sports kettle and bicycle having power supply
Controllable bicycle generating device and electricity generating bicycle
Active safety protection device, protection system and method for riding
Vehicle in-place detection method and parking place monitoring device
Vehicle in-place detection method and parking place monitoring device
Carport monitoring device array, car-mounted device, car management method and system
Combining part for connecting wiper blade with wiper arm
Vehicular skylight windshield integrated sunshade and purification device
Automobile with skylight and windshield integrated sun-shading and purifying device
Ground microgravity dynamic loading simulation mechanism for satellite
Armrest device for auxiliary instrument panel of vehicle