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 filedfiledCritical
Priority to FI241965ApriorityCriticalpatent/FI44421B/fi
Application grantedgrantedCritical
Publication of FI44421BpublicationCriticalpatent/FI44421B/fi