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Priority claimed from DE1755524Aexternal-prioritypatent/DE1755524C3/de
Application filed by Erlau Ag Eisen DrahtwerkfiledCriticalErlau Ag Eisen Drahtwerk
Priority to DK502970ApriorityCriticalpatent/DK135567C/da
Publication of DK135567BpublicationCriticalpatent/DK135567B/da
Application grantedgrantedCritical
Publication of DK135567CpublicationCriticalpatent/DK135567C/da