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 Nils Ake Peter HedlundfiledCriticalNils Ake Peter Hedlund
Priority to SE8505717ApriorityCriticalpatent/SE8505717D0/en
Publication of SE8505717D0publicationCriticalpatent/SE8505717D0/en