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Priority claimed from DE9010564Uexternal-prioritypatent/DE9010564U1/de
Priority claimed from DE9102531Uexternal-prioritypatent/DE9102531U1/de
Application filed by Wilhelmi Werke Gmbh & Co KgfiledCriticalWilhelmi Werke Gmbh & Co Kg
Application grantedgrantedCritical
Publication of ATE103359T1publicationCriticalpatent/ATE103359T1/de