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Priority claimed from AT518175Aexternal-prioritypatent/AT382132B/de
Application filed by Rasmussen O BfiledCriticalRasmussen O B
Priority to AT338081ApriorityCriticalpatent/AT387185B/de
Publication of ATA338081ApublicationCriticalpatent/ATA338081A/de
Application grantedgrantedCritical
Publication of AT387185BpublicationCriticalpatent/AT387185B/de