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Priority claimed from CH1110/88Aexternal-prioritypatent/CH676209A5/en
Application filed by Buehler AgfiledCriticalBuehler Ag
Priority claimed from EP88119819Aexternal-prioritypatent/EP0318053B1/en
Application grantedgrantedCritical
Publication of ATE101544T1publicationCriticalpatent/ATE101544T1/en