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Application filed by Pentti Jaervelae, Pertti Toermaelae, Heponen Veli Pekka, Petri Peltonen, Kimmo Laehteenkorva, Kimmo HarjunpaeaefiledCriticalPentti Jaervelae
Priority to FI912396ApriorityCriticalpatent/FI88892C/fi
Publication of FI912396A0publicationCriticalpatent/FI912396A0/fi
Publication of FI912396ApublicationCriticalpatent/FI912396A/fi
Publication of FI88892BpublicationCriticalpatent/FI88892B/fi
Application grantedgrantedCritical
Publication of FI88892CpublicationCriticalpatent/FI88892C/fi