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 Pertti PasanenfiledCriticalPertti Pasanen
Priority to FI3475/74ApriorityCriticalpatent/FI347574A7/fi
Publication of FI347574A7publicationCriticalpatent/FI347574A7/fi