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Priority claimed from DE2948230Aexternal-prioritypatent/DE2948230C2/de
Application filed by Josef MaierfiledCriticalJosef Maier
Publication of DK571485ApublicationCriticalpatent/DK571485A/da
Publication of DK571485D0publicationCriticalpatent/DK571485D0/da
Publication of DK152814BpublicationCriticalpatent/DK152814B/da
Application grantedgrantedCritical
Publication of DK152814CpublicationCriticalpatent/DK152814C/da