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 Gustav EhrnstfiledCriticalGustav Ehrnst
Priority to SE8604470ApriorityCriticalpatent/SE8604470D0/sv
Publication of SE8604470D0publicationCriticalpatent/SE8604470D0/sv