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 Veikko Olavi MoisiofiledCriticalVeikko Olavi Moisio
Priority to FI753652ApriorityCriticalpatent/FI753652A7/fi
Publication of FI753652A7publicationCriticalpatent/FI753652A7/fi