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
Application filed by Knut AkessonfiledCriticalKnut Akesson
Priority to SE8301912ApriorityCriticalpatent/SE8301912D0/sv
Publication of SE8301912D0publicationCriticalpatent/SE8301912D0/sv