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 Risto Matti KekkifiledCriticalRisto Matti Kekki
Priority to FI911273ApriorityCriticalpatent/FI911273A/en
Publication of FI911273A0publicationCriticalpatent/FI911273A0/en
Priority to FI913688Aprioritypatent/FI913688A/en
Publication of FI911273ApublicationCriticalpatent/FI911273A/en