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Priority claimed from IT2878077Aexternal-prioritypatent/IT1087189B/it
Application filed by Sartori Luigi GiuseppefiledCriticalSartori Luigi Giuseppe
Publication of ATA746978ApublicationCriticalpatent/ATA746978A/de
Application grantedgrantedCritical
Publication of AT361732BpublicationCriticalpatent/AT361732B/de