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 Valtion TeknillinenfiledCriticalValtion Teknillinen
Priority to FI974566ApriorityCriticalpatent/FI974566A0/fi
Publication of FI974566A0publicationCriticalpatent/FI974566A0/fi