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 Halvor ForbergfiledCriticalHalvor Forberg
Priority to NO894078ApriorityCriticalpatent/NO171891C/no
Publication of NO894078D0publicationCriticalpatent/NO894078D0/no
Publication of NO894078LpublicationCriticalpatent/NO894078L/no
Publication of NO171891BpublicationCriticalpatent/NO171891B/no
Publication of NO171891CpublicationCriticalpatent/NO171891C/no