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Priority claimed from DE3226698Aexternal-prioritypatent/DE3226698C2/en
Priority claimed from DE19823233367external-prioritypatent/DE3233367A1/en
Application filed by Josef ProbstfiledCriticalJosef Probst
Priority claimed from EP82903143Aexternal-prioritypatent/EP0113719B1/en
Application grantedgrantedCritical
Publication of ATE73488T1publicationCriticalpatent/ATE73488T1/en