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Priority claimed from US06/012,162external-prioritypatent/US4243234A/en
Application filed by Towmotor CorpfiledCriticalTowmotor Corp
Publication of IT8019126A0publicationCriticalpatent/IT8019126A0/it
Application grantedgrantedCritical
Publication of IT1129654BpublicationCriticalpatent/IT1129654B/it