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 Preben Wik, Tien Pao ChienfiledCriticalPreben Wik
Priority to SE9504254ApriorityCriticalpatent/SE506501C2/sv
Publication of SE9504254D0publicationCriticalpatent/SE9504254D0/sv
Publication of SE9504254LpublicationCriticalpatent/SE9504254L/sv
Publication of SE506501C2publicationCriticalpatent/SE506501C2/sv