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 FI864526Aexternal-prioritypatent/FI75401C/fi
Application filed by Ahlstroem OyfiledCriticalAhlstroem Oy
Publication of NO883018D0publicationCriticalpatent/NO883018D0/no
Publication of NO883018LpublicationCriticalpatent/NO883018L/no
Publication of NO168724BpublicationCriticalpatent/NO168724B/no
Publication of NO168724CpublicationCriticalpatent/NO168724C/no