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 Teuvo Ilmari LaaksonenfiledCriticalTeuvo Ilmari Laaksonen
Priority to FI821805ApriorityCriticalpatent/FI821805A7/en
Publication of FI821805A0publicationCriticalpatent/FI821805A0/en
Publication of FI821805A7publicationCriticalpatent/FI821805A7/en