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Priority claimed from IT20560/78Aexternal-prioritypatent/IT1109546B/it
Priority claimed from AT292378Aexternal-prioritypatent/AT361454B/de
Application filed by Anic SpafiledCriticalAnic Spa
Priority to AT113580ApriorityCriticalpatent/AT371799B/de
Publication of ATA113580ApublicationCriticalpatent/ATA113580A/de
Application grantedgrantedCritical
Publication of AT371799BpublicationCriticalpatent/AT371799B/de