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Application filed by Pentti TikkanenfiledCriticalPentti Tikkanen
Priority to FI960018UpriorityCriticalpatent/FI2347U1/fi
Publication of FIU960018U0publicationCriticalpatent/FIU960018U0/fi
Application grantedgrantedCritical
Publication of FI2347U1publicationCriticalpatent/FI2347U1/fi