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 Reijo VirenfiledCriticalReijo Viren
Priority to FI850932ApriorityCriticalpatent/FI850932A0/fi
Publication of FI850932A0publicationCriticalpatent/FI850932A0/fi