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 Berkestad Karl Erik, Torsten SvenssonfiledCriticalBerkestad Karl Erik
Priority to SE8401097ApriorityCriticalpatent/SE8401097D0/en
Publication of SE8401097D0publicationCriticalpatent/SE8401097D0/en