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Application filed by Josef MaierfiledCriticalJosef Maier
Priority to FI2117/74ApriorityCriticalpatent/FI59145C/fi
Publication of FI211774A7publicationCriticalpatent/FI211774A7/fi
Publication of FI59145BpublicationCriticalpatent/FI59145B/fi
Application grantedgrantedCritical
Publication of FI59145CpublicationCriticalpatent/FI59145C/fi