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Priority claimed from DE8706665Uexternal-prioritypatent/DE8706665U1/de
Priority claimed from DE8706664Uexternal-prioritypatent/DE8706664U1/de
Application filed by Siemens AgfiledCriticalSiemens Ag
Priority claimed from EP88106611Aexternal-prioritypatent/EP0289905B1/de
Application grantedgrantedCritical
Publication of ATE86507T1publicationCriticalpatent/ATE86507T1/de