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Application filed by Pietro Varosio, Ledino PozzettifiledCriticalPietro Varosio
Priority to IT20415/87ApriorityCriticalpatent/IT1205000B/it
Publication of IT8720415A0publicationCriticalpatent/IT8720415A0/it
Application grantedgrantedCritical
Publication of IT1205000BpublicationCriticalpatent/IT1205000B/it