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 FI863329ApriorityCriticalpatent/FI78126C/en
Publication of FI863329A0publicationCriticalpatent/FI863329A0/en
Publication of FI863329ApublicationCriticalpatent/FI863329A/en
Publication of FI78126BpublicationCriticalpatent/FI78126B/en
Application grantedgrantedCritical
Publication of FI78126CpublicationCriticalpatent/FI78126C/en