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Priority claimed from FI843606Aexternal-prioritypatent/FI76707C/fi
Application filed by Ahlstroem OyfiledCriticalAhlstroem Oy
Priority to FI853323ApriorityCriticalpatent/FI76834C/fi
Publication of FI853323A0publicationCriticalpatent/FI853323A0/fi
Publication of FI853323LpublicationCriticalpatent/FI853323L/fi
Publication of FI76834BpublicationCriticalpatent/FI76834B/fi
Application grantedgrantedCritical
Publication of FI76834CpublicationCriticalpatent/FI76834C/fi