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 Martti PullifiledCriticalMartti Pulli
Priority to FI2455/74ApriorityCriticalpatent/FI245574A7/fi
Publication of FI245574A7publicationCriticalpatent/FI245574A7/fi