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 Hannu Seppo Olavi Karttunen, Heimo Kalevi KarttunenfiledCriticalHannu Seppo Olavi Karttunen
Priority to FI934975ApriorityCriticalpatent/FI934975A/fi
Publication of FI934975A0publicationCriticalpatent/FI934975A0/fi
Publication of FI934975ApublicationCriticalpatent/FI934975A/fi