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 PalmqvistfiledCriticalKnut Palmqvist
Priority to SE8601918ApriorityCriticalpatent/SE8601918D0/sv
Publication of SE8601918D0publicationCriticalpatent/SE8601918D0/sv