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Priority claimed from US06/535,352external-prioritypatent/US4716083A/en
Priority claimed from US06/597,438external-prioritypatent/US4590031A/en
Application filed by Ovonic Synthetic MaterialsfiledCriticalOvonic Synthetic Materials
Application grantedgrantedCritical
Publication of ATE33153T1publicationCriticalpatent/ATE33153T1/en