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Application filed by Isnardi Pietro & C SpafiledCriticalIsnardi Pietro & C Spa
Priority to IT21520/82ApriorityCriticalpatent/IT1190840B/en
Publication of IT8221520A0publicationCriticalpatent/IT8221520A0/en
Application grantedgrantedCritical
Publication of IT1190840BpublicationCriticalpatent/IT1190840B/en