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 SE8301398Aexternal-prioritypatent/SE431145B/sv
Application filed by Robert Forchheimer, Anders OedmarkfiledCriticalRobert Forchheimer
Publication of NO844448LpublicationCriticalpatent/NO844448L/no
Publication of NO163470BpublicationCriticalpatent/NO163470B/no
Publication of NO163470CpublicationCriticalpatent/NO163470C/no