Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Esa Petri MetsofiledCriticalEsa Petri Metso
Priority to FI990067ApriorityCriticalpatent/FI990067A0/en
Publication of FI990067A0publicationCriticalpatent/FI990067A0/en
FI990067A1999-01-141999-01-14
Method for randomly identifying a selected alphanumeric code number using an audio and / or visual code key
FI990067A0
(en)