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Priority claimed from DE1959A0014376external-prioritypatent/DE1807187U/de
Priority claimed from DEA14378Uexternal-prioritypatent/DE1807188U/de
Priority claimed from DE1959A0014384external-prioritypatent/DE1807189U/de
Priority claimed from DE1960A0014388external-prioritypatent/DE1807190U/de
Application filed by Bruno AuerbachfiledCriticalBruno Auerbach
Publication of BE596677ApublicationCriticalpatent/BE596677A/fr