Anti-theft device for vehicles, applicable to at least one of the vehicle doors for performing their locking by using a movable element (7) and preventing an unwanted opening; characterized in that it comprises a fluid pipe (1) provided with a connector (2...

Device for improving the aerodynamic coefficient applicable to semi-trailers canvas, truck and containers boxes, including vertical-tension mechanisms arranged in alignment on both sides of the canvas covering the box of a truck, semi-trailer and container...