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Application filed by Ahlstroem OyfiledCriticalAhlstroem Oy
Priority to FI864849ApriorityCriticalpatent/FI80302B/fi
Publication of FI864849A0publicationCriticalpatent/FI864849A0/fi
Priority to FI875224Aprioritypatent/FI80303C/fi
Priority to DE8787117593Tprioritypatent/DE3774081D1/de
Priority to EP87117593Aprioritypatent/EP0269124B1/en
Priority to AT87117593Tprioritypatent/ATE68768T1/de
Priority to CA000552933Aprioritypatent/CA1316386C/en
Publication of FI864849LpublicationCriticalpatent/FI864849L/fi
Application grantedgrantedCritical
Publication of FI80302BpublicationCriticalpatent/FI80302B/fi