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Filing date
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Application filed by Pentti Samuel NisulafiledCriticalPentti Samuel Nisula
Priority to FI313374ApriorityCriticalpatent/FI50837C/fi
Priority to SE7502874Aprioritypatent/SE7502874L/xx
Application grantedgrantedCritical
Publication of FI50837BpublicationCriticalpatent/FI50837B/fi
Publication of FI50837CpublicationCriticalpatent/FI50837C/fi