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 NO2083/72Aexternal-prioritypatent/NO136375C/no
Publication of NO750103LpublicationCriticalpatent/NO750103L/no
Application filed by Selmer As Ing FfiledCriticalSelmer As Ing F
Priority to NO750103ApriorityCriticalpatent/NO135877C/no
Publication of NO135877BpublicationCriticalpatent/NO135877B/no
Publication of NO135877CpublicationCriticalpatent/NO135877C/no