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Priority claimed from US07/793,127external-prioritypatent/US5189004A/en
Priority claimed from US07/793,131external-prioritypatent/US5179056A/en
Priority claimed from US07/793,129external-prioritypatent/US5179057A/en
Application filed by Union Carbide Chem PlasticfiledCriticalUnion Carbide Chem Plastic
Application grantedgrantedCritical
Publication of TW215905BpublicationCriticalpatent/TW215905B/zh