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Priority claimed from DE19873732206external-prioritypatent/DE3732206A1/en
Priority claimed from DE19883814102external-prioritypatent/DE3814102A1/en
Application filed by Buechler B Set AgfiledCriticalBuechler B Set Ag
Priority claimed from EP88115510Aexternal-prioritypatent/EP0308908B1/en
Application grantedgrantedCritical
Publication of ATE74045T1publicationCriticalpatent/ATE74045T1/en