SHIP HAVING BUYEONCY STRUCTURE FORMED AT BOTTOM AREA OF SHIP FOR IMPROVEMENT OF STABILITY
POWER GENERATING APPARATUS FOR SHIP AND SHIP WITH THE SAME
Electric propulsion ship system having drone deck for amphibious drone
Straight bevel gear for boat with outboard engine using electronic propulsion
Air boat with reduced draft by design of sag and crest curves on bottom of hull
APPARATUS FOR TRANSPORTING CURVED PLATE OF STEEL FOR PURPOSE OF SHIP BUILDING
Skirt structure of hovercraft for reducing frictional resistance
AN INTEGRATED HOVERCRAFT CAPABLE OF VARIABLE LIFTING CONTROL AND THE CONTROL METHOD THEREOF
HIGH-DENSITY POLYETHYLENE VESSEL AND BOTTOM STRUCTURE
Dock maintaining system for offshore wind power generator of ship
Processing equipment used to manufacture anti-skid decks of HDPE ships