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 Svensson Curt Olof, Nordtronics AbfiledCriticalSvensson Curt Olof
Priority to SE7412956ApriorityCriticalpatent/SE405771B/en
Publication of SE7412956LpublicationCriticalpatent/SE7412956L/en
Publication of SE405771BpublicationCriticalpatent/SE405771B/en