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Priority claimed from DE19863618948external-prioritypatent/DE3618948A1/en
Priority claimed from DE19873715474external-prioritypatent/DE3715474A1/en
Application filed by Electronic Werke DeutschlandfiledCriticalElectronic Werke Deutschland
Priority claimed from EP87107852Aexternal-prioritypatent/EP0248367B1/en
Application grantedgrantedCritical
Publication of ATE64235T1publicationCriticalpatent/ATE64235T1/en