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 Esko Kalevi VaskefiledCriticalEsko Kalevi Vaske
Priority to FI811890ApriorityCriticalpatent/FI64788C/fi
Publication of FI811890LpublicationCriticalpatent/FI811890L/fi
Publication of FI64788BpublicationCriticalpatent/FI64788B/fi
Application grantedgrantedCritical
Publication of FI64788CpublicationCriticalpatent/FI64788C/fi