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Priority claimed from GB125572Aexternal-prioritypatent/GB1436311A/en
Application filed by Lucas Industries LtdfiledCriticalLucas Industries Ltd
Priority to AT377775ApriorityCriticalpatent/AT369725B/de
Publication of ATA24173ApublicationCriticalpatent/ATA24173A/de
Application grantedgrantedCritical
Publication of AT345141BpublicationCriticalpatent/AT345141B/de