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Priority claimed from DE19873701632external-prioritypatent/DE3701632A1/de
Priority claimed from DE19873701548external-prioritypatent/DE3701548A1/de
Application filed by Pfister GmbhfiledCriticalPfister Gmbh
Priority claimed from EP88900815Aexternal-prioritypatent/EP0342192B1/de
Application grantedgrantedCritical
Publication of ATE58435T1publicationCriticalpatent/ATE58435T1/de