A METHOD OF FLIGHT AUTHENTICATION OF SMALL UNMANNED AUTONOMOUS VEHICLES USING 3G/LTE NETWORK
A indication system of direction to guide the riding direction of a bicycle without manipulation
ACTIVITY MODE CHANGEABLE DRILLING RIG AND DRILLING STRUCTURE WITH THE SAME
ACTIVE AIR FLAP SYSTEM FOR VEHICLE AND CONTROL METHOD THEREFOR
ABSORPTION PATCH AND UNDERWATER ABSORPTION PLATE USING THE SAME