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Application filed by Outokumpu OyfiledCriticalOutokumpu Oy
Priority to FI760279ApriorityCriticalpatent/FI52637C/fi
Priority to JP1087177Aprioritypatent/JPS52113275A/ja
Priority to NL7701180Aprioritypatent/NL7701180A/xx
Publication of FI52637BpublicationCriticalpatent/FI52637B/fi
Application grantedgrantedCritical
Publication of FI52637CpublicationCriticalpatent/FI52637C/fi