IT1158140BIT83441/82AIT8344182AIT1158140BIT 1158140 BIT1158140 BIT 1158140BIT 83441/82 AIT83441/82 AIT 83441/82AIT 8344182 AIT8344182 AIT 8344182AIT 1158140 BIT1158140 BIT 1158140B
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Application filed by Severino Billiani, Antonio PitterifiledCriticalSeverino Billiani
Priority to IT83441/82ApriorityCriticalpatent/IT1158140B/en
Publication of IT8283441A0publicationCriticalpatent/IT8283441A0/en
Application grantedgrantedCritical
Publication of IT1158140BpublicationCriticalpatent/IT1158140B/en