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Publication date
Priority claimed from GB29807/74Aexternal-prioritypatent/GB1526722A/en
Application filed by Rasmussen O BfiledCriticalRasmussen O B
Priority to AT338081ApriorityCriticalpatent/AT387185B/de
Priority to AT0337981Aprioritypatent/AT389673B/de
Publication of ATA518175ApublicationCriticalpatent/ATA518175A/de
Application grantedgrantedCritical
Publication of AT382132BpublicationCriticalpatent/AT382132B/de