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 Karl Erik Hedin, Kjell Sigvard SahlenfiledCriticalKarl Erik Hedin
Priority to SE9102962ApriorityCriticalpatent/SE9102962D0/sv
Publication of SE9102962D0publicationCriticalpatent/SE9102962D0/sv