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 Heikki Anselmi Jaervenkylae, Rauno Tapani Lindholm, Matti Ilmari Antero LaaksofiledCriticalHeikki Anselmi Jaervenkylae
Priority to FI981236ApriorityCriticalpatent/FI981236A0/en
Publication of FI981236A0publicationCriticalpatent/FI981236A0/en