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Priority claimed from DE1966E0023447external-prioritypatent/DE1944674U/en
Application filed by Erlau Ag Eisen DrahtwerkfiledCriticalErlau Ag Eisen Drahtwerk
Application grantedgrantedCritical
Publication of FI48693BpublicationCriticalpatent/FI48693B/fi
Publication of FI48693CpublicationCriticalpatent/FI48693C/en