FIELD: transportation.
SUBSTANCE: method for protection of trailers and semi-trailers against theft and alternation of identification numbers thereon is that a main identification number is placed on the body or frame of the vehicle at an angle depending on the date of manufacture of the vehicle to a predetermined line in the plane of the surface, on which it is applied, and a duplicating identification number. The location of the duplicating identification number on the body or frame also depends on the date of manufacture of the vehicle.
EFFECT: increased protection of vehicles against theft.
1 cl
