HIGH-DENSITY POLYETHYLENE VESSEL AND BOTTOM STRUCTURE
Processing equipment used to manufacture anti-skid decks of HDPE ships
Electric propulsion ship system having drone deck for amphibious drone
Liquified gas fuel tank facilities locating stern of smallship
Straight bevel gear for boat with outboard engine using electronic propulsion
Dock maintaining system for offshore wind power generator of ship
ELECTRIC OUTBOARD DRIVE HAVING EXCELLENT WEAR RESISTANCE AND CORROSION RESISTANCE
Skirt structure of hovercraft for reducing frictional resistance
Air boat with reduced draft by design of sag and crest curves on bottom of hull
POWER GENERATING APPARATUS FOR SHIP AND SHIP WITH THE SAME
APPARATUS FOR TRANSPORTING CURVED PLATE OF STEEL FOR PURPOSE OF SHIP BUILDING