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Priority claimed from DE19782808463external-prioritypatent/DE2808463A1/de
Priority claimed from DE19782824029external-prioritypatent/DE2824029A1/de
Application filed by Birkhold JuliusfiledCriticalBirkhold Julius
Publication of IT7920454A0publicationCriticalpatent/IT7920454A0/it
Application grantedgrantedCritical
Publication of IT1111809BpublicationCriticalpatent/IT1111809B/it