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Priority claimed from US06/412,624external-prioritypatent/US4425284A/en
Priority claimed from US06/468,223external-prioritypatent/US4482504A/en
Application filed by Stauffer Chemical CofiledCriticalStauffer Chemical Co
Application grantedgrantedCritical
Publication of ATE21517T1publicationCriticalpatent/ATE21517T1/en