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 Kalevi SassifiledCriticalVeikko Kalevi Sassi
Priority to FI694/74ApriorityCriticalpatent/FI69474A7/fi
Publication of FI69474A7publicationCriticalpatent/FI69474A7/fi