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Priority claimed from DE2536773Aexternal-prioritypatent/DE2536773C3/en
Application filed by Troponwerke Dinklage & Co, Marc Etter LtdfiledCriticalTroponwerke Dinklage & Co
Priority to ZA764963ApriorityCriticalpatent/ZA764963B/en
Publication of ZA764963BpublicationCriticalpatent/ZA764963B/en