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Application filed by Jouni Kalervo PartanenfiledCriticalJouni Kalervo Partanen
Priority to FI890642ApriorityCriticalpatent/FI890642A/fi
Publication of FI890642A0publicationCriticalpatent/FI890642A0/fi
Publication of FI890642ApublicationCriticalpatent/FI890642A/fi