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 Reino MiettinenfiledCriticalReino Miettinen
Priority to FI863780ApriorityCriticalpatent/FI863780A/fi
Publication of FI863780A0publicationCriticalpatent/FI863780A0/fi
Publication of FI863780ApublicationCriticalpatent/FI863780A/fi