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 Kauko Kalevi HeininenfiledCriticalKauko Kalevi Heininen
Priority to FI853696ApriorityCriticalpatent/FI853696L/fi
Publication of FI853696A0publicationCriticalpatent/FI853696A0/fi
Publication of FI853696LpublicationCriticalpatent/FI853696L/fi