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 SE8305840Aexternal-prioritypatent/SE453897B/en
Application filed by Casco AbfiledCriticalCasco Ab
Publication of NO844190LpublicationCriticalpatent/NO844190L/en
Publication of NO171669BpublicationCriticalpatent/NO171669B/en
Publication of NO171669CpublicationCriticalpatent/NO171669C/en