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 Aarne HusufiledCriticalAarne Husu
Priority to FI283474ApriorityCriticalpatent/FI52510C/sv
Publication of FI283474ApublicationCriticalpatent/FI283474A/fi
Publication of FI52510BpublicationCriticalpatent/FI52510B/fi
Application grantedgrantedCritical
Publication of FI52510CpublicationCriticalpatent/FI52510C/sv