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Application filed by Timo Michael MappesfiledCriticalTimo Michael Mappes
Priority to FI863425ApriorityCriticalpatent/FI79456C/fi
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Publication of FI863425ApublicationCriticalpatent/FI863425A/fi
Publication of FI79456BpublicationCriticalpatent/FI79456B/fi
Application grantedgrantedCritical
Publication of FI79456CpublicationCriticalpatent/FI79456C/fi