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Priority to DE19712147241priorityCriticalpatent/DE2147241B1/de
Priority to GB4337072Aprioritypatent/GB1389755A/en
Priority to DD16580972Aprioritypatent/DD99405A5/xx
Priority to JP9564272Aprioritypatent/JPS4841064A/ja
Publication of DE2147241A1publicationCriticalpatent/DE2147241A1/de
Publication of DE2147241B1publicationCriticalpatent/DE2147241B1/de