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 Upo OyfiledCriticalUpo Oy
Priority to FI9659ApriorityCriticalpatent/FI40172C/fi
Publication of FI40172BpublicationCriticalpatent/FI40172B/fi
Application grantedgrantedCritical
Publication of FI40172CpublicationCriticalpatent/FI40172C/fi