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Application filed by Matti Finni OyfiledCriticalMatti Finni Oy
Priority to FI801436ApriorityCriticalpatent/FI63922C/fi
Publication of FI801436ApublicationCriticalpatent/FI801436A/fi
Application grantedgrantedCritical
Publication of FI63922BpublicationCriticalpatent/FI63922B/fi
Publication of FI63922CpublicationCriticalpatent/FI63922C/fi