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 Valtion TeknillinenfiledCriticalValtion Teknillinen
Priority to FI841139ApriorityCriticalpatent/FI70349C/en
Publication of FI841139A0publicationCriticalpatent/FI841139A0/en
Publication of FI841139ApublicationCriticalpatent/FI841139A/en
Application grantedgrantedCritical
Publication of FI70349BpublicationCriticalpatent/FI70349B/en
Publication of FI70349CpublicationCriticalpatent/FI70349C/en