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Priority claimed from FI980721Aexternal-prioritypatent/FI980721A0/en
Application filed by Matti A E OllikainenfiledCriticalMatti A E Ollikainen
Priority to FI981316ApriorityCriticalpatent/FI103268B1/en
Publication of FI981316A0publicationCriticalpatent/FI981316A0/en
Application grantedgrantedCritical
Publication of FI103268BpublicationCriticalpatent/FI103268B/en
Publication of FI103268B1publicationCriticalpatent/FI103268B1/en