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 Finska FlaektfabrikenfiledCriticalFinska Flaektfabriken
Priority to FI751925ApriorityCriticalpatent/FI51281C/fi
Publication of FI51281BpublicationCriticalpatent/FI51281B/fi
Application grantedgrantedCritical
Publication of FI51281CpublicationCriticalpatent/FI51281C/fi