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 Arne Boehn, Knut FossumfiledCriticalArne Boehn
Priority to NO912525ApriorityCriticalpatent/NO172068C/no
Publication of NO912525D0publicationCriticalpatent/NO912525D0/no
Publication of NO912525LpublicationCriticalpatent/NO912525L/no
Publication of NO172068BpublicationCriticalpatent/NO172068B/no
Publication of NO172068CpublicationCriticalpatent/NO172068C/no