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 Enso Gutzeit OyfiledCriticalEnso Gutzeit Oy
Priority to FI781277ApriorityCriticalpatent/FI56409C/fi
Publication of FI56409BpublicationCriticalpatent/FI56409B/fi
Application grantedgrantedCritical
Publication of FI56409CpublicationCriticalpatent/FI56409C/fi