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Priority to DE19742451523priorityCriticalpatent/DE2451523C2/de
Priority claimed from DE19742451523external-prioritypatent/DE2451523C2/de
Publication of DE2451523A1publicationCriticalpatent/DE2451523A1/de
Publication of DE2451523B1publicationCriticalpatent/DE2451523B1/de
Application grantedgrantedCritical
Publication of DE2451523C2publicationCriticalpatent/DE2451523C2/de