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Priority claimed from DE8701627Uexternal-prioritypatent/DE8701627U1/de
Priority claimed from DE8716322Uexternal-prioritypatent/DE8716322U1/de
Application filed by Rolf Georg SauerfiledCriticalRolf Georg Sauer
Priority claimed from EP88100543Aexternal-prioritypatent/EP0277524B1/en
Application grantedgrantedCritical
Publication of ATE54435T1publicationCriticalpatent/ATE54435T1/en