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WAVE POWER GENERATOR USING PENDULUM MOVEMENT AND SEA MARKER BUOY USING SAME
SELF-GENERATED POWER SYSTEM AT SEA, AND BOUNDARY LIGHT USING SAME
SELF-GENERATION DEVICE USING THE FORCE OF GRAVITY AND BUOYANCY, MARINE LIGHTING USING IT
WAVE POWER GENERATING APPATATUS USING PENDULAR MOVEMENT AND BUOY FOR SEA BOUNDARY USING THE SAME
OCEAN BOUNDARY LIGHT PROVIDED WITH WAVE POWER GENERATION
OCEAN BOUNDARY LIGHT PROVIDED WITH WAVE POWER GENERATION
ENERGY GENERATING DEVICE USING ROTATING PENDULUM AND THE COMBINED STRUCTURE
WAVE-POWER GENERATING SYSTEM INSTALLED ON THE BROAD SEA-SURFACE
SUNK SHIP SALVAGING LIFTING DOCK AND METHOD FOR SALVAGING SUNK SHIP BY THE LIFTING DOCK