Koebbing, H.H.KoebbingWahlers, G.G.Wahlers2022-03-082022-03-081992https://publica.fraunhofer.de/handle/publica/302696The description refers to a process for the identification of transport units made of wood, for example so-called Europallets. The invention is characterized by being capable of detecting the surface structure of the transport unit and recovering a code to identify each transport unit from the surface structure.de608patent1990-4036947