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.)
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Publication date
Priority claimed from FI834515Aexternal-prioritypatent/FI834515A/en
Priority claimed from FI840479Aexternal-prioritypatent/FI840479A/en
Application filed by Matti KatilafiledCriticalMatti Katila
Priority to FI842237ApriorityCriticalpatent/FI842237A/en
Publication of FI842237A0publicationCriticalpatent/FI842237A0/en
Publication of FI842237ApublicationCriticalpatent/FI842237A/en