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Priority claimed from DE19853532700external-prioritypatent/DE3532700A1/de
Priority claimed from DE19853543165external-prioritypatent/DE3543165A1/de
Application filed by Gutbrod Werke GmbhfiledCriticalGutbrod Werke Gmbh
Application grantedgrantedCritical
Publication of ATE69135T1publicationCriticalpatent/ATE69135T1/de