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Application filed by Seppo Kalevi KaarnafiledCriticalSeppo Kalevi Kaarna
Priority to FI980223ApriorityCriticalpatent/FI109870B/fi
Publication of FI980223A0publicationCriticalpatent/FI980223A0/fi
Publication of FI980223ApublicationCriticalpatent/FI980223A/fi
Application grantedgrantedCritical
Publication of FI109870BpublicationCriticalpatent/FI109870B/fi