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Application filed by Antti Johannes NiemifiledCriticalAntti Johannes Niemi
Priority to FI841205ApriorityCriticalpatent/FI73898C/en
Publication of FI841205A0publicationCriticalpatent/FI841205A0/en
Publication of FI841205ApublicationCriticalpatent/FI841205A/en
Application grantedgrantedCritical
Publication of FI73898BpublicationCriticalpatent/FI73898B/en
Publication of FI73898CpublicationCriticalpatent/FI73898C/en