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Application filed by Vilho Aatos KivistoefiledCriticalVilho Aatos Kivistoe
Priority to FI930311UpriorityCriticalpatent/FI1166U1/fi
Publication of FIU930311U0publicationCriticalpatent/FIU930311U0/fi
Application grantedgrantedCritical
Publication of FI1166U1publicationCriticalpatent/FI1166U1/fi