MECHANICALLY DRIVEN HUBLESS HIGH-EFFICIENCY SHIP PROPULSOR
Water jet propulsion unit of portable type having attachable function
Marine hybrid propulsion apparatus with parallel hybrid clutch
Marine hybrid propulsion apparatus with parallel hybrid clutch
The water bike that can observe underwater environment under water surface
PROPULSION APPARATUS FOR SHIP AND SHIP HAVING THE SAME
MULTIDIRECTIONAL PROPULSION SYSTEM FOR SHIPS INCLUDING A MECHANICAL HYPOCYCLOID TRANSFORMER
Water jet propulsion unit of portable type having attachable function
Ships with side thruster capable of ascending and descending at the rear of the ship
CENTRIFUGAL FORCE PROPULSION EQUIPMENT AND SHIP INCLUDING THE SAME