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 SE7700448Aexternal-prioritypatent/SE7700448L/en
Application filed by Hans Aake Wicksell, Stig Staahl, Ingemar Goesta LoefstedtfiledCriticalHans Aake Wicksell
Publication of NO773847LpublicationCriticalpatent/NO773847L/en
Publication of NO141252BpublicationCriticalpatent/NO141252B/en
Publication of NO141252CpublicationCriticalpatent/NO141252C/en