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Priority claimed from DE3835349Aexternal-prioritypatent/DE3835349A1/de
Priority claimed from FI894918Aexternal-prioritypatent/FI88329C/fi
Application filed by Winkhaus Fa AugustfiledCriticalWinkhaus Fa August
Publication of FI923917A0publicationCriticalpatent/FI923917A0/fi
Publication of FI923917ApublicationCriticalpatent/FI923917A/fi