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 SE7901454Aexternal-prioritypatent/SE431243B/sv
Application filed by Jan Jonsson, Rolf Blomgren, Nils EdlundfiledCriticalJan Jonsson
Publication of NO802359LpublicationCriticalpatent/NO802359L/no
Publication of NO158956BpublicationCriticalpatent/NO158956B/no
Publication of NO158956CpublicationCriticalpatent/NO158956C/no