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Priority claimed from US06/419,537external-prioritypatent/US4620968A/en
Priority claimed from US06/442,208external-prioritypatent/US4508931A/en
Priority claimed from GB08236528Aexternal-prioritypatent/GB2113663B/en
Application filed by Stauffer Chemical CofiledCriticalStauffer Chemical Co
Publication of SG81987GpublicationCriticalpatent/SG81987G/en