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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Priority claimed from FI761629Aexternal-prioritypatent/FI63538C/fi
Application filed by Arne JohanssonfiledCriticalArne Johansson
Priority to FI821950ApriorityCriticalpatent/FI821950A0/fi
Publication of FI821950LpublicationCriticalpatent/FI821950L/fi
Publication of FI821950A0publicationCriticalpatent/FI821950A0/fi