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Priority claimed from US06/509,887external-prioritypatent/US4507304A/en
Priority claimed from US06/509,886external-prioritypatent/US4505910A/en
Application filed by American Home ProdfiledCriticalAmerican Home Prod
Priority claimed from EP84304158Aexternal-prioritypatent/EP0130735B1/de
Application grantedgrantedCritical
Publication of ATE38328T1publicationCriticalpatent/ATE38328T1/de