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Priority claimed from DE8707105Uexternal-prioritypatent/DE8707105U1/de
Priority claimed from DE8711706Uexternal-prioritypatent/DE8711706U1/de
Application filed by Hesterberg & Soehne Gmbh & CofiledCriticalHesterberg & Soehne Gmbh & Co
Priority claimed from EP88105809Aexternal-prioritypatent/EP0291688B1/de
Application grantedgrantedCritical
Publication of ATE55953T1publicationCriticalpatent/ATE55953T1/de