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Priority to DE19722211000priorityCriticalpatent/DE2211000B1/de
Priority to IT7090472Aprioritypatent/IT976028B/it
Priority to FR7300714Aprioritypatent/FR2174832B1/fr
Priority to NL7300646Aprioritypatent/NL7300646A/xx
Publication of DE2211000B1publicationCriticalpatent/DE2211000B1/de
Publication of DE2211000A1publicationCriticalpatent/DE2211000A1/de