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 Kymin Oy Kymmene AbfiledCriticalKymin Oy Kymmene Ab
Priority to FI760979ApriorityCriticalpatent/FI53047C/fi
Application grantedgrantedCritical
Publication of FI53047BpublicationCriticalpatent/FI53047B/fi
Publication of FI53047CpublicationCriticalpatent/FI53047C/fi