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Application filed by Yhtyneet Paperitehtaat OyfiledCriticalYhtyneet Paperitehtaat Oy
Priority to FI790407ApriorityCriticalpatent/FI790407A/fi
Priority to FI801655Aprioritypatent/FI66809C/fi
Publication of FI790407ApublicationCriticalpatent/FI790407A/fi