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Application filed by American Can CofiledCriticalAmerican Can Co
Priority to IT51506/78ApriorityCriticalpatent/IT1106188B/en
Publication of IT7851506A0publicationCriticalpatent/IT7851506A0/en
Application grantedgrantedCritical
Publication of IT1106188BpublicationCriticalpatent/IT1106188B/en