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Priority claimed from DE3909889Aexternal-prioritypatent/DE3909889A1/de
Priority claimed from DE4003032Aexternal-prioritypatent/DE4003032A1/de
Application filed by Ceag Licht & StromfiledCriticalCeag Licht & Strom
Application grantedgrantedCritical
Publication of ATE105393T1publicationCriticalpatent/ATE105393T1/de