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Priority claimed from DK238080Aexternal-prioritypatent/DK238080A/da
Application filed by P Pless, H R AndersenfiledCriticalP Pless
Priority to DK042582ApriorityCriticalpatent/DK153211C/da
Publication of DK42582ApublicationCriticalpatent/DK42582A/da
Publication of DK153211BpublicationCriticalpatent/DK153211B/da
Application grantedgrantedCritical
Publication of DK153211CpublicationCriticalpatent/DK153211C/da