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Priority claimed from DE3803220Aexternal-prioritypatent/DE3803220A1/de
Application filed by Licentia GmbhfiledCriticalLicentia Gmbh
Publication of IT8919305A0publicationCriticalpatent/IT8919305A0/it
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Publication of IT1228289BpublicationCriticalpatent/IT1228289B/it