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 Matti PietilaeinenfiledCriticalMatti Pietilaeinen
Priority to FI2428/74ApriorityCriticalpatent/FI242874A7/fi
Publication of FI242874A7publicationCriticalpatent/FI242874A7/fi