SPEED MEASURING APPARATUS AND SPEED MEASURING METHOD FOR MAGNETCI LEVITATION TRAIN
ROTATABLE ALIGNMENT TYPE RAILWAY SYSTEM AND UPPER PLATE ROTATION TYPE RAILWAY VEHICLE
MOVING APPARATUS OF SWITCH AND CROSSING FOR MAGNETICALLY LEVITATED VEHICLE HAVING SUB MOTOR
CATERPILLAR TRACK FOR MOBILE ROBOT AND MOBILE ROBOT HAVING THE SAME
BIPEDAL LOCOMOTION HAVING VARIABLE FOOTHOLD AND BIPEDAL LOCOMOTION ASSEMBLY