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 Virta & Co Oy EfiledCriticalVirta & Co Oy E
Priority to FI971940ApriorityCriticalpatent/FI971940A0/en
Publication of FI971940A0publicationCriticalpatent/FI971940A0/en