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 Lehtonen Eero IlmarifiledCriticalLehtonen Eero Ilmari
Priority to FI990853ApriorityCriticalpatent/FI990853A0/fi
Publication of FI990853A0publicationCriticalpatent/FI990853A0/fi