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Priority claimed from DE3207180Aexternal-prioritypatent/DE3207180C1/de
Priority claimed from DE3207181Aexternal-prioritypatent/DE3207181C1/de
Priority claimed from DE3207183Aexternal-prioritypatent/DE3207183C1/de
Application filed by Mannesmann AgfiledCriticalMannesmann Ag
Priority claimed from EP83100195Aexternal-prioritypatent/EP0087557B1/de
Application grantedgrantedCritical
Publication of ATE13346T1publicationCriticalpatent/ATE13346T1/de