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Application filed by Busak & Luyken Gmbh & CofiledCriticalBusak & Luyken Gmbh & Co
Priority claimed from EP90913483Aexternal-prioritypatent/EP0491771B1/de
Application grantedgrantedCritical
Publication of ATE105383T1publicationCriticalpatent/ATE105383T1/de