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 Ossi Kalervo KahrafiledCriticalOssi Kalervo Kahra
Priority to FI945739ApriorityCriticalpatent/FI945739A0/fi
Publication of FI945739A0publicationCriticalpatent/FI945739A0/fi