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 FI842202Aexternal-prioritypatent/FI842202A0/fi
Application filed by Ahlstroem OyfiledCriticalAhlstroem Oy
Priority to FI852263ApriorityCriticalpatent/FI76933C/fi
Publication of FI852263A0publicationCriticalpatent/FI852263A0/fi
Publication of FI852263LpublicationCriticalpatent/FI852263L/fi
Publication of FI76933BpublicationCriticalpatent/FI76933B/fi
Application grantedgrantedCritical
Publication of FI76933CpublicationCriticalpatent/FI76933C/fi