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Priority claimed from US06/028,840external-prioritypatent/US4252264A/en
Application filed by Maryland Cup CorporationfiledCriticalMaryland Cup Corporation
Priority claimed from EP19790104032external-prioritypatent/EP0010302B1/de
Application grantedgrantedCritical
Publication of ATE3765T1publicationCriticalpatent/ATE3765T1/de