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Priority claimed from DE9013005Uexternal-prioritypatent/DE9013005U1/en
Application filed by Siemens AgfiledCriticalSiemens Ag
Priority claimed from EP91111580Aexternal-prioritypatent/EP0468296B1/en
Application grantedgrantedCritical
Publication of ATE100033T1publicationCriticalpatent/ATE100033T1/en