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Priority claimed from DE19803046173external-prioritypatent/DE3046173A1/de
Priority claimed from DE19813138259external-prioritypatent/DE3138259A1/de
Application filed by Edwin EiseneggerfiledCriticalEdwin Eisenegger
Priority claimed from EP81109859Aexternal-prioritypatent/EP0053755B1/de
Application grantedgrantedCritical
Publication of ATE21049T1publicationCriticalpatent/ATE21049T1/de