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Priority claimed from FI980123Aexternal-prioritypatent/FI980123A0/fi
Application filed by Erkki LokkafiledCriticalErkki Lokka
Priority to FI982431ApriorityCriticalpatent/FI982431A/fi
Publication of FI982431A0publicationCriticalpatent/FI982431A0/fi
Publication of FI982431ApublicationCriticalpatent/FI982431A/fi