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Application filed by Naerpes Trae & Metall AbfiledCriticalNaerpes Trae & Metall Ab
Priority to FI791706ApriorityCriticalpatent/FI59563C/fi
Publication of FI791706ApublicationCriticalpatent/FI791706A/fi
Publication of FI59563BpublicationCriticalpatent/FI59563B/fi
Application grantedgrantedCritical
Publication of FI59563CpublicationCriticalpatent/FI59563C/fi