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Application filed by Stig Gustaf Nils Reinh NilssonfiledCriticalStig Gustaf Nils Reinh Nilsson
Priority to FI175470ApriorityCriticalpatent/FI52550C/sv
Publication of FI52550BpublicationCriticalpatent/FI52550B/fi
Application grantedgrantedCritical
Publication of FI52550CpublicationCriticalpatent/FI52550C/sv