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Application filed by Vilho Aatos KivistoefiledCriticalVilho Aatos Kivistoe
Priority to FI906231ApriorityCriticalpatent/FI86797C/en
Publication of FI906231A0publicationCriticalpatent/FI906231A0/en
Publication of FI906231ApublicationCriticalpatent/FI906231A/en
Publication of FI86797BpublicationCriticalpatent/FI86797B/en
Application grantedgrantedCritical
Publication of FI86797CpublicationCriticalpatent/FI86797C/en