AUTONOMOUS UNMANNED AERIAL VEHICLE AND CONTROL METHOD IN THE SAME
AUTONOMOUS UNMANNED AERIAL VEHICLE AND CONTROL METHOD THEREFOR
Hoisting Apparatus and drilling marine structure having the same
CONTINUOUS CHANGE SPEED TYPE WINCH FOR HOISTING IN DRILL SHIP
ROTARY HYDRAULIC WINCH TYPE HEAVE MOTION COMPENSATION SYSTEM
ACTIVITY MODE CHANGEABLE DRILLING RIG AND DRILLING STRUCTURE WITH THE SAME
Mechanical energy recycling device and method of floating vessel including drilling winch
Mechanical energy recycling device and method of floating vessel including drilling winch
DRILLING SYSTEM AND METHOD OF USING APPARATUS FOR MOVING OTHER TYPES PIPE
Hoisting Apparatus and drilling marine structure having the same