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 NilsenfiledCriticalArne Nilsen
Priority to NO3221/73ApriorityCriticalpatent/NO133474C/no
Priority to DK425674AAprioritypatent/DK137263B/da
Priority to SE7410283Aprioritypatent/SE392029B/xx
Publication of NO322173LpublicationCriticalpatent/NO322173L/no
Publication of NO133474BpublicationCriticalpatent/NO133474B/no
Publication of NO133474CpublicationCriticalpatent/NO133474C/no