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Application filed by Kalevi Simpanen ViljofiledCriticalKalevi Simpanen Viljo
Priority to FI32172ApriorityCriticalpatent/FI48152C/fi
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Publication of FI48152BpublicationCriticalpatent/FI48152B/fi
Publication of FI48152CpublicationCriticalpatent/FI48152C/fi