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Priority claimed from US05/711,014external-prioritypatent/US4065507A/en
Application filed by Standard Oil Co OhiofiledCriticalStandard Oil Co Ohio
Priority to AT563379ApriorityCriticalpatent/AT370723B/de
Publication of ATA563379ApublicationCriticalpatent/ATA563379A/de
Application grantedgrantedCritical
Publication of AT370723BpublicationCriticalpatent/AT370723B/de