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 Ingolf Aage NilssenfiledCriticalIngolf Aage Nilssen
Priority to NO793768ApriorityCriticalpatent/NO144279C/no
Publication of NO793768LpublicationCriticalpatent/NO793768L/no
Publication of NO144279BpublicationCriticalpatent/NO144279B/no
Publication of NO144279CpublicationCriticalpatent/NO144279C/no