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Priority claimed from FI790407Aexternal-prioritypatent/FI790407A/fi
Application filed by Yhtyneet Paperitehtaat OyfiledCriticalYhtyneet Paperitehtaat Oy
Priority to FI801655ApriorityCriticalpatent/FI66809C/fi
Publication of FI801655ApublicationCriticalpatent/FI801655A/fi
Publication of FI66809BpublicationCriticalpatent/FI66809B/fi
Application grantedgrantedCritical
Publication of FI66809CpublicationCriticalpatent/FI66809C/fi