3 AGRICULTURAL UNMANNED AERIAL VEHICLE SPREADER CONSISTING OF THREE ROTATING BLADES WITH A PROPELLER
A BACK WASHING TYPE WATER PURIFIER PURIFICATION SYSTEM HAVING THE SAME AND DRIVING METHOD THEREOF
A BALLAST SYSTEM TO CONTROL THE DRAUGHT AND HEEL OF FLOATING BODIES
A BALLAST WATER TREATMENT SYSTEM AND A OPERATING METHOD THEREOF
ABDECKUNG FÜR EINEN ENTRIEGELUNGSHEBEL, LÄNGSEINSTELLER UND FAHRZEUGSITZ
A bead breaker group for a tire mounting-demounting machine