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 Ilmari JutilafiledCriticalIlmari Jutila
Priority to FI750801ApriorityCriticalpatent/FI750801A7/fi
Publication of FI750801A7publicationCriticalpatent/FI750801A7/fi