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 Gullsten Jaakko UrhofiledCriticalGullsten Jaakko Urho
Priority to FI922768ApriorityCriticalpatent/FI922768A0/en
Publication of FI922768A0publicationCriticalpatent/FI922768A0/en