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Application filed by Soeren SjoeholmfiledCriticalSoeren Sjoeholm
Priority to FI3171/74ApriorityCriticalpatent/FI52912C/fi
Publication of FI317174ApublicationCriticalpatent/FI317174A/fi
Publication of FI52912BpublicationCriticalpatent/FI52912B/fi
Application grantedgrantedCritical
Publication of FI52912CpublicationCriticalpatent/FI52912C/fi