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Priority claimed from DE2221488Aexternal-prioritypatent/DE2221488B2/de
Application filed by Zeiss Carl FafiledCriticalZeiss Carl Fa
Priority to DK399580ApriorityCriticalpatent/DK145018C/da
Publication of DK399580ApublicationCriticalpatent/DK399580A/da
Publication of DK145018BpublicationCriticalpatent/DK145018B/da
Application grantedgrantedCritical
Publication of DK145018CpublicationCriticalpatent/DK145018C/da