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Application filed by Ahlstroem OyfiledCriticalAhlstroem Oy
Priority to FI860244ApriorityCriticalpatent/FI77165C/fi
Publication of FI860244A0publicationCriticalpatent/FI860244A0/fi
Priority to CA000527689Aprioritypatent/CA1274970A/en
Publication of FI860244LpublicationCriticalpatent/FI860244L/fi
Application grantedgrantedCritical
Publication of FI77165BpublicationCriticalpatent/FI77165B/fi
Publication of FI77165CpublicationCriticalpatent/FI77165C/fi