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 SE8105785Aexternal-prioritypatent/SE443442B/sv
Application filed by Leif Ingemar LindfiledCriticalLeif Ingemar Lind
Publication of NO831827LpublicationCriticalpatent/NO831827L/no
Publication of NO154848BpublicationCriticalpatent/NO154848B/no
Publication of NO154848CpublicationCriticalpatent/NO154848C/no