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 FI790300ApriorityCriticalpatent/FI63631C/en
Publication of FI790300ApublicationCriticalpatent/FI790300A/en
Application grantedgrantedCritical
Publication of FI63631BpublicationCriticalpatent/FI63631B/en
Publication of FI63631CpublicationCriticalpatent/FI63631C/en