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Priority claimed from DE8910788Uexternal-prioritypatent/DE8910788U1/de
Priority claimed from DE8910789Uexternal-prioritypatent/DE8910789U1/de
Application filed by Schlechtendahl & Soehne WilhfiledCriticalSchlechtendahl & Soehne Wilh
Priority claimed from EP90109112Aexternal-prioritypatent/EP0417393B1/de
Application grantedgrantedCritical
Publication of ATE101231T1publicationCriticalpatent/ATE101231T1/de