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 FI881691Aexternal-prioritypatent/FI86002C/fi
Application filed by Trioplan OyfiledCriticalTrioplan Oy
Publication of NO904395D0publicationCriticalpatent/NO904395D0/no
Publication of NO904395LpublicationCriticalpatent/NO904395L/no