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Application filed by Lauri Alarik TenhunenfiledCriticalLauri Alarik Tenhunen
Priority to FI62674ApriorityCriticalpatent/FI54079C/fi
Publication of FI62674ApublicationCriticalpatent/FI62674A/fi
Application grantedgrantedCritical
Publication of FI54079BpublicationCriticalpatent/FI54079B/fi
Publication of FI54079CpublicationCriticalpatent/FI54079C/fi