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Application filed by Kalevi HartikainenfiledCriticalKalevi Hartikainen
Priority to FI900002ApriorityCriticalpatent/FI900002A7/fi
Publication of FI900002A0publicationCriticalpatent/FI900002A0/fi
Publication of FI900002A7publicationCriticalpatent/FI900002A7/fi