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 Risto VehvilaeinenfiledCriticalRisto Vehvilaeinen
Priority to FI761791ApriorityCriticalpatent/FI761791A/fi
Publication of FI761791ApublicationCriticalpatent/FI761791A/fi