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 FI813812Aexternal-prioritypatent/FI63869C/en
Application filed by Jouko NiemifiledCriticalJouko Niemi
Publication of NO832730LpublicationCriticalpatent/NO832730L/en
Publication of NO156358BpublicationCriticalpatent/NO156358B/en
Publication of NO156358CpublicationCriticalpatent/NO156358C/en