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Priority claimed from GB3856273Aexternal-prioritypatent/GB1387982A/en
Application filed by Leo Anker Jensen, Svend ChristensenfiledCriticalLeo Anker Jensen
Publication of DK400474ApublicationCriticalpatent/DK400474A/da
Publication of DK137254BpublicationCriticalpatent/DK137254B/da
Application grantedgrantedCritical
Publication of DK137254CpublicationCriticalpatent/DK137254C/da