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 Keijo YloenenfiledCriticalKeijo Yloenen
Priority to FI991247ApriorityCriticalpatent/FI991247A/fi
Publication of FI991247A0publicationCriticalpatent/FI991247A0/fi
Publication of FI991247ApublicationCriticalpatent/FI991247A/fi