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Priority claimed from DE19904010682external-prioritypatent/DE4010682A1/de
Priority claimed from DE4022927Aexternal-prioritypatent/DE4022927A1/de
Application filed by Kali Chemie AgfiledCriticalKali Chemie Ag
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Publication of ATE95833T1publicationCriticalpatent/ATE95833T1/de