Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FI850372Aexternal-prioritypatent/FI850372A0/fi
Application filed by Ahlstroem OyfiledCriticalAhlstroem Oy
Priority to FI851199ApriorityCriticalpatent/FI85183C/fi
Publication of FI851199A0publicationCriticalpatent/FI851199A0/fi
Priority to CA000500486Aprioritypatent/CA1261123A/en
Publication of FI851199LpublicationCriticalpatent/FI851199L/fi
Publication of FI85183BpublicationCriticalpatent/FI85183B/fi
Application grantedgrantedCritical
Publication of FI85183CpublicationCriticalpatent/FI85183C/fi