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Priority claimed from GB33978/63Aexternal-prioritypatent/GB1103114A/en
Application filed by Rasmussen O BfiledCriticalRasmussen O B
Priority to AT82871ApriorityCriticalpatent/AT336759B/de
Publication of ATA82871ApublicationCriticalpatent/ATA82871A/de
Application grantedgrantedCritical
Publication of AT336759BpublicationCriticalpatent/AT336759B/de