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 HakalehtofiledCriticalEino Elias Hakalehto
Priority to FI960692ApriorityCriticalpatent/FI960692A0/fi
Publication of FI960692A0publicationCriticalpatent/FI960692A0/fi
Priority to PCT/FI1997/000098prioritypatent/WO1997029640A1/en
Priority to AU17968/97Aprioritypatent/AU1796897A/en