3 AGRICULTURAL UNMANNED AERIAL VEHICLE SPREADER CONSISTING OF THREE ROTATING BLADES WITH A PROPELLER
5G AI 5G-based AI outdoor advertisement analysis system
A BACK WASHING TYPE WATER PURIFIER PURIFICATION SYSTEM HAVING THE SAME AND DRIVING METHOD THEREOF
A BALLAST WATER TREATMENT SYSTEM AND A OPERATING METHOD THEREOF
A CHAMBER WITH SHAPE MEMORY FOR ADJUSTING THE PRESSURE IN TIRES
Adjusting Type of Advertisement System for Elevator and Method thereof