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Application filed by Townsend Engineering CofiledCriticalTownsend Engineering Co
Priority to IT8848325ApriorityCriticalpatent/IT1235020B/en
Publication of IT8848325A0publicationCriticalpatent/IT8848325A0/en
Application grantedgrantedCritical
Publication of IT1235020BpublicationCriticalpatent/IT1235020B/en