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Application filed by Birger HuhtafiledCriticalBirger Huhta
Priority to FI175870ApriorityCriticalpatent/FI45514C/fi
Application grantedgrantedCritical
Publication of FI45514BpublicationCriticalpatent/FI45514B/fi
Publication of FI45514CpublicationCriticalpatent/FI45514C/fi