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Application filed by Pauli Antero SkyttaefiledCriticalPauli Antero Skyttae
Priority to FI830748ApriorityCriticalpatent/FI67113C/fi
Publication of FI830748A0publicationCriticalpatent/FI830748A0/fi
Publication of FI830748ApublicationCriticalpatent/FI830748A/fi
Publication of FI67113BpublicationCriticalpatent/FI67113B/fi
Application grantedgrantedCritical
Publication of FI67113CpublicationCriticalpatent/FI67113C/fi