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 RuohonenfiledCriticalRuohonen
Priority to FI36872ApriorityCriticalpatent/FI47256C/fi
Application grantedgrantedCritical
Publication of FI47256BpublicationCriticalpatent/FI47256B/fi
Publication of FI47256CpublicationCriticalpatent/FI47256C/fi