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Priority claimed from DE8711376Uexternal-prioritypatent/DE8711376U1/de
Priority claimed from DE8716544Uexternal-prioritypatent/DE8716544U1/de
Application filed by Siemens AgfiledCriticalSiemens Ag
Priority claimed from EP88113453Aexternal-prioritypatent/EP0304066B1/de
Application grantedgrantedCritical
Publication of ATE99839T1publicationCriticalpatent/ATE99839T1/de