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Application filed by Ilmari LiikkanenfiledCriticalIlmari Liikkanen
Priority to FI142174ApriorityCriticalpatent/FI52633C/fi
Publication of FI142174ApublicationCriticalpatent/FI142174A/fi
Publication of FI52633BpublicationCriticalpatent/FI52633B/fi
Application grantedgrantedCritical
Publication of FI52633CpublicationCriticalpatent/FI52633C/fi