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Application filed by Onni Olavi SantanenfiledCriticalOnni Olavi Santanen
Priority to FI860362ApriorityCriticalpatent/FI74415C/fi
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Publication of FI860362LpublicationCriticalpatent/FI860362L/fi
Publication of FI74415BpublicationCriticalpatent/FI74415B/fi
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Publication of FI74415CpublicationCriticalpatent/FI74415C/fi