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Priority claimed from FI853041Aexternal-prioritypatent/FI853041A0/fi
Application filed by Valmet Paperikoneet OyfiledCriticalValmet Paperikoneet Oy
Priority to FI870259ApriorityCriticalpatent/FI81638C/fi
Publication of FI870259A0publicationCriticalpatent/FI870259A0/fi
Publication of FI870259ApublicationCriticalpatent/FI870259A/fi
Publication of FI81638BpublicationCriticalpatent/FI81638B/fi
Application grantedgrantedCritical
Publication of FI81638CpublicationCriticalpatent/FI81638C/fi