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Priority claimed from DE19883807003external-prioritypatent/DE3807003A1/de
Priority claimed from DE19883809024external-prioritypatent/DE3809024A1/de
Application filed by Birkmayer Walther, Birkmayer JoergfiledCriticalBirkmayer Walther
Priority claimed from EP89730051Aexternal-prioritypatent/EP0331620B1/de
Application grantedgrantedCritical
Publication of ATE92763T1publicationCriticalpatent/ATE92763T1/de