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Priority claimed from US00242047Aexternal-prioritypatent/US3856938A/en
Application filed by Murao S, Meyer E, Parker WfiledCriticalMurao S
Priority to AR24734173ApriorityCriticalpatent/AR199563A1/es
Application grantedgrantedCritical
Publication of AR199563A1publicationCriticalpatent/AR199563A1/es