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Application filed by American Flange & MfgfiledCriticalAmerican Flange & Mfg
Priority to IT4874879ApriorityCriticalpatent/IT1206964B/it
Publication of IT7948748A0publicationCriticalpatent/IT7948748A0/it
Application grantedgrantedCritical
Publication of IT1206964BpublicationCriticalpatent/IT1206964B/it