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Priority to JP3258072ApriorityCriticalpatent/JPS534594B2/ja
Priority to GB4239472Aprioritypatent/GB1349221A/en
Priority to DE19722244897prioritypatent/DE2244897A1/de
Publication of JPS4899577ApublicationCriticalpatent/JPS4899577A/ja
Publication of JPS534594B2publicationCriticalpatent/JPS534594B2/ja