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Application filed by Mika Helsingius, Jaakko Astola, Pauli KuosmanenfiledCriticalMika Helsingius
Priority to FI980585ApriorityCriticalpatent/FI980585A/fi
Publication of FI980585A0publicationCriticalpatent/FI980585A0/fi
Publication of FI980585ApublicationCriticalpatent/FI980585A/fi