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Priority claimed from DE19782855591external-prioritypatent/DE2855591C2/en
Priority claimed from DE19782855592external-prioritypatent/DE2855592C3/en
Application filed by Tidland GmbhfiledCriticalTidland Gmbh
Priority claimed from EP79105121Aexternal-prioritypatent/EP0013368B1/en
Application grantedgrantedCritical
Publication of ATE2736T1publicationCriticalpatent/ATE2736T1/en