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 BergdahlfiledCriticalKnut Bergdahl
Priority to SE8701255ApriorityCriticalpatent/SE8701255D0/en
Publication of SE8701255D0publicationCriticalpatent/SE8701255D0/en