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Application filed by Vilho E HumalamaekifiledCriticalVilho E Humalamaeki
Priority to FI741435ApriorityCriticalpatent/FI52905C/fi
Publication of FI143574A7publicationCriticalpatent/FI143574A7/fi
Publication of FI52905BpublicationCriticalpatent/FI52905B/fi
Application grantedgrantedCritical
Publication of FI52905CpublicationCriticalpatent/FI52905C/fi