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 Birger Edvard WaseniusfiledCriticalBirger Edvard Wasenius
Priority to FI894510ApriorityCriticalpatent/FI894510A/fi
Publication of FI894510A0publicationCriticalpatent/FI894510A0/fi
Publication of FI894510ApublicationCriticalpatent/FI894510A/fi