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 Eino Elias Hakalehto, Ilpo Olavi KuronenfiledCriticalEino Elias Hakalehto
Priority to FI961492ApriorityCriticalpatent/FI961492A0/fi
Publication of FI961492A0publicationCriticalpatent/FI961492A0/fi
Priority to AU22954/97Aprioritypatent/AU2295497A/en
Priority to PCT/FI1997/000208prioritypatent/WO1997037636A1/en