APPARATUS AND METHOD FOR BATTERY DISCHARGE PROTECTION
APPARATUS FOR STORAGE AND DISSOLUTION OF CHEMICAL AGENT FOR STERILIZATION OF BALLAST WATER
VEHICLE WITH CAPABILITY TO PREVENT HIT-AND-RUN USING FINE PATTERNING TECHNOLOGY
DEVICE FOR STORING AND DISSOLVING CHEMICAL FOR DISINFECTING BALLAST WATER
DEVICE FOR STORING AND DISSOLVING CHEMICAL FOR DISINFECTING BALLAST WATER
ANTI-COLLISION MECHANISM OF VEHICLE FRONT AND REAR CORNERS
UNDERWATER CAMERA FOR INSPECTION OF UNDERWATER STRUCTURE
POWER SUPPLY SYSTEM OF FOOD VEHICLE AND OPERATION METHODS THEREOF
Device and method for displaying a map according to the guiding of a navigation system
APPARATUS FOR PREVENTING TOWED ARRAY SONAR CABLE INTERFERENCE