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Application filed by Esa Olavi Kuisma, Laine Artti KalervofiledCriticalEsa Olavi Kuisma
Priority to FI860390ApriorityCriticalpatent/FI76025C/fi
Publication of FI860390A0publicationCriticalpatent/FI860390A0/fi
Publication of FI860390ApublicationCriticalpatent/FI860390A/fi
Application grantedgrantedCritical
Publication of FI76025BpublicationCriticalpatent/FI76025B/fi
Publication of FI76025CpublicationCriticalpatent/FI76025C/fi