THE ELECTRONIC DEVICE MOUNTED ON VEHICLE AND THE METHOD OPERATING THE SAME
METHOD AND APPARATUS OF GUIDING FLIGHT PATTERN OF DRONE AND DRONE
SOUND ABSORBING PATCH AND UNDERWATER SOUND ABSORBING PLATE USING SAME
METHOD AND DEVICE FOR MEASURING SLOPE ANGLE OF VEHICLE
ABSORPTION PATCH AND UNDERWATER ABSORPTION PLATE USING THE SAME
DYNAMIC USER TEST AND EVALUATION SYSTEM FOR THE KOREAN REGIONAL NAVIGATION SATELLITE SYSTEM
ACTIVITY MODE CHANGEABLE DRILLING RIG AND DRILLING STRUCTURE WITH THE SAME