Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19813126077external-prioritypatent/DE3126077C2/de
Priority claimed from DE19818119317external-prioritypatent/DE8119317U1/de
Application filed by Schott GlaswerkefiledCriticalSchott Glaswerke
Priority claimed from EP19820105627external-prioritypatent/EP0070417B1/de
Application grantedgrantedCritical
Publication of ATE18836T1publicationCriticalpatent/ATE18836T1/de