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 FI914794ApriorityCriticalpatent/FI91676C/en
Publication of FI914794A0publicationCriticalpatent/FI914794A0/en
Publication of FI914794ApublicationCriticalpatent/FI914794A/en
Application grantedgrantedCritical
Publication of FI91676BpublicationCriticalpatent/FI91676B/en
Publication of FI91676CpublicationCriticalpatent/FI91676C/en