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
Application filed by Jan L Walen, Alf HatlebrekkefiledCriticalJan L Walen
Priority to NO792014ApriorityCriticalpatent/NO151579C/no
Publication of NO792014LpublicationCriticalpatent/NO792014L/no
Publication of NO151579BpublicationCriticalpatent/NO151579B/no
Publication of NO151579CpublicationCriticalpatent/NO151579C/no