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Application filed by Antti Johannes NiemifiledCriticalAntti Johannes Niemi
Priority to FI254674ApriorityCriticalpatent/FI51014C/en
Publication of FI254674ApublicationCriticalpatent/FI254674A/fi
Publication of FI51014BpublicationCriticalpatent/FI51014B/fi
Application grantedgrantedCritical
Publication of FI51014CpublicationCriticalpatent/FI51014C/en