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Application filed by Aarno Ensio JaakkolafiledCriticalAarno Ensio Jaakkola
Priority to FI750883ApriorityCriticalpatent/FI50752C/fi
Publication of FI50752BpublicationCriticalpatent/FI50752B/fi
Application grantedgrantedCritical
Publication of FI50752CpublicationCriticalpatent/FI50752C/fi