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Priority claimed from DE19813126077external-prioritypatent/DE3126077C2/en
Priority claimed from DE19818119317external-prioritypatent/DE8119317U1/en
Application filed by Schott GlaswerkefiledCriticalSchott Glaswerke
Priority claimed from EP19820105627external-prioritypatent/EP0070417B1/en
Application grantedgrantedCritical
Publication of ATE18836T1publicationCriticalpatent/ATE18836T1/en