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Priority claimed from DE2361390Aexternal-prioritypatent/DE2361390A1/en
Application filed by Werner Mahrhof, Rolf Pohlke, Karl H Becker, Schliep Hans J, Patent Gmbh MerckfiledCriticalWerner Mahrhof
Priority to CS761597ApriorityCriticalpatent/CS188949B2/en
Publication of CS188949B2publicationCriticalpatent/CS188949B2/en