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Application filed by Antti KaelviaeinenfiledCriticalAntti Kaelviaeinen
Priority to FI132974ApriorityCriticalpatent/FI52244C/fi
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Publication of FI52244BpublicationCriticalpatent/FI52244B/fi
Publication of FI52244CpublicationCriticalpatent/FI52244C/fi