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Application filed by Seppo Adolf HonkanenfiledCriticalSeppo Adolf Honkanen
Priority to FI284674ApriorityCriticalpatent/FI51671C/fi
Publication of FI284674ApublicationCriticalpatent/FI284674A/fi
Publication of FI51671BpublicationCriticalpatent/FI51671B/fi
Application grantedgrantedCritical
Publication of FI51671CpublicationCriticalpatent/FI51671C/fi