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Application filed by Kaj Oskar Richard KerbsfiledCriticalKaj Oskar Richard Kerbs
Priority to FI942060ApriorityCriticalpatent/FI96574C/fi
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Publication of FI942060ApublicationCriticalpatent/FI942060A/fi
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Publication of FI96574BpublicationCriticalpatent/FI96574B/fi
Publication of FI96574CpublicationCriticalpatent/FI96574C/fi