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Application filed by American Can CofiledCriticalAmerican Can Co
Priority to IT49581/80ApriorityCriticalpatent/IT1146192B/it
Publication of IT8049581A0publicationCriticalpatent/IT8049581A0/it
Application grantedgrantedCritical
Publication of IT1146192BpublicationCriticalpatent/IT1146192B/it