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Priority claimed from FI960571Uexternal-prioritypatent/FI3117U1/fi
Application filed by Hannu Kullervo Impioe, Teuvo Juhani HaapalahtifiledCriticalHannu Kullervo Impioe
Priority to FI974267ApriorityCriticalpatent/FI974267A/fi
Publication of FI974267A0publicationCriticalpatent/FI974267A0/fi
Publication of FI974267ApublicationCriticalpatent/FI974267A/fi