SMARTLOCK

EQUIPMENT FOR PREVENTING UNSAFE ACTIONS, NAMELY, ONE TRAIN CATCHING UP TO ANOTHER ON THE SAME LINE, ANTI-COLLISION AND HEAD ON APPROACH OF TWO TRAINS ON THE SAME BRANCH LINE IN THE NATURE OF ELECTRONIC SPEED CONTROLLERS, ELECTRONIC DEVICES, NAMELY, COMPUTERS, SOFTWARE, PRINTED CIRCUITS, CALCULATORS, ELECTRONIC CARDS; RELAYS, TRAIN OPERATING UNITS

URBAN TRANSPORT VEHICLES, NAMELY, ABOVEGROUND AND UNDERGROUND RAILROAD LOCOMOTIVES AND PASSENGER CARS