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Application filed by Heimo Juho LeinonenfiledCriticalHeimo Juho Leinonen
Priority to FI760719ApriorityCriticalpatent/FI58963C/fi
Publication of FI760719A7publicationCriticalpatent/FI760719A7/fi
Publication of FI58963BpublicationCriticalpatent/FI58963B/fi
Application grantedgrantedCritical
Publication of FI58963CpublicationCriticalpatent/FI58963C/fi