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 Kalevi KopakkalafiledCriticalKalevi Kopakkala
Priority to FI901027ApriorityCriticalpatent/FI901027A/fi
Publication of FI901027A0publicationCriticalpatent/FI901027A0/fi
Publication of FI901027ApublicationCriticalpatent/FI901027A/fi